20121897796

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:483

約数の個数: 216

約数和(自身を含む): 48478614912

約数和(自身を除く): 28356717116

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 113, 121, 143, 154, 169, 182, 226, 242, 286, 308, 311, 338, 364, 452, 484, 572, 622, 676, 791, 847, 1001, 1183, 1243, 1244, 1469, 1573, 1582, 1694, 1859, 2002, 2177, 2366, 2486, 2938, 3146, 3164, 3388, 3421, 3718, 4004, 4043, 4354, 4732, 4972, 5876, 6292, 6842, 7436, 8086, 8701, 8708, 10283, 11011, 13013, 13673, 13684, 16159, 16172, 17402, 19097, 20449, 20566, 22022, 23947, 26026, 27346, 28301, 32318, 34804, 35143, 37631, 38194, 40898, 41132, 44044, 44473, 47894, 52052, 52559, 54692, 56602, 64636, 70286, 75262, 76388, 81796, 88946, 95711, 95788, 105118, 113113, 113204, 133679, 140572, 143143, 150524, 177749, 177892, 191422, 210067, 210236, 226226, 246001, 263417, 267358, 286286, 311311, 355498, 367913, 382844, 386573, 420134, 452452, 456859, 489203, 492002, 526834, 534716, 572572, 578149, 622622, 710996, 735826, 773146, 840268, 913718, 978406, 984004, 1053668, 1156298, 1244243, 1245244, 1470469, 1471652, 1546292, 1827436, 1956812, 2310737, 2312596, 2488486, 2706011, 2940938, 3198013, 3424421, 4047043, 4252303, 4621474, 4976972, 5025449, 5412022, 5881876, 5939167, 6359639, 6396026, 6848842, 8094086, 8504606, 9242948, 10050898, 10824044, 11878334, 12719278, 12792052, 13697684, 16175159, 16188172, 17009212, 20101796, 23756668, 25438556, 29766121, 32350318, 35178143, 41574169, 44517473, 55279939, 59532242, 64700636, 65330837, 70356286, 83148338, 89034946, 110559878, 119064484, 130661674, 140712572, 166296676, 178069892, 221119756, 261323348, 386959573, 457315859, 718639207, 773919146, 914631718, 1437278414, 1547838292, 1829263436, 2874556828, 5030474449, 10060948898, 20121897796]

約数ペア:

[(1, 20121897796), (2, 10060948898), (4, 5030474449), (7, 2874556828), (11, 1829263436), (13, 1547838292), (14, 1437278414), (22, 914631718), (26, 773919146), (28, 718639207), (44, 457315859), (52, 386959573), (77, 261323348), (91, 221119756), (113, 178069892), (121, 166296676), (143, 140712572), (154, 130661674), (169, 119064484), (182, 110559878), (226, 89034946), (242, 83148338), (286, 70356286), (308, 65330837), (311, 64700636), (338, 59532242), (364, 55279939), (452, 44517473), (484, 41574169), (572, 35178143), (622, 32350318), (676, 29766121), (791, 25438556), (847, 23756668), (1001, 20101796), (1183, 17009212), (1243, 16188172), (1244, 16175159), (1469, 13697684), (1573, 12792052), (1582, 12719278), (1694, 11878334), (1859, 10824044), (2002, 10050898), (2177, 9242948), (2366, 8504606), (2486, 8094086), (2938, 6848842), (3146, 6396026), (3164, 6359639), (3388, 5939167), (3421, 5881876), (3718, 5412022), (4004, 5025449), (4043, 4976972), (4354, 4621474), (4732, 4252303), (4972, 4047043), (5876, 3424421), (6292, 3198013), (6842, 2940938), (7436, 2706011), (8086, 2488486), (8701, 2312596), (8708, 2310737), (10283, 1956812), (11011, 1827436), (13013, 1546292), (13673, 1471652), (13684, 1470469), (16159, 1245244), (16172, 1244243), (17402, 1156298), (19097, 1053668), (20449, 984004), (20566, 978406), (22022, 913718), (23947, 840268), (26026, 773146), (27346, 735826), (28301, 710996), (32318, 622622), (34804, 578149), (35143, 572572), (37631, 534716), (38194, 526834), (40898, 492002), (41132, 489203), (44044, 456859), (44473, 452452), (47894, 420134), (52052, 386573), (52559, 382844), (54692, 367913), (56602, 355498), (64636, 311311), (70286, 286286), (75262, 267358), (76388, 263417), (81796, 246001), (88946, 226226), (95711, 210236), (95788, 210067), (105118, 191422), (113113, 177892), (113204, 177749), (133679, 150524), (140572, 143143)]