20212454676

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:462

約数の個数: 192

約数和(自身を含む): 51941120000

約数和(自身を除く): 31728665324

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 61, 67, 76, 109, 114, 122, 134, 183, 199, 201, 218, 228, 244, 268, 327, 366, 398, 402, 436, 597, 654, 732, 796, 804, 1159, 1194, 1273, 1308, 2071, 2318, 2388, 2546, 3477, 3781, 3819, 4087, 4142, 4636, 5092, 6213, 6649, 6954, 7303, 7562, 7638, 8174, 8284, 11343, 12139, 12261, 12426, 13298, 13333, 13908, 14606, 15124, 15276, 16348, 19947, 21691, 21909, 22686, 24278, 24522, 24852, 26596, 26666, 29212, 36417, 39894, 39999, 43382, 43818, 45372, 48556, 49044, 53332, 65073, 72834, 77653, 79788, 79998, 86764, 87636, 126331, 130146, 138757, 145668, 155306, 159996, 230641, 232959, 252662, 253327, 260292, 277514, 310612, 378993, 412129, 416271, 445483, 461282, 465918, 505324, 506654, 555028, 691923, 757986, 759981, 813313, 824258, 832542, 890966, 922564, 931836, 1013308, 1236387, 1323151, 1336449, 1383846, 1453297, 1515972, 1519962, 1626626, 1648516, 1665084, 1781932, 2439939, 2472774, 2646302, 2672898, 2767692, 2906594, 3039924, 3253252, 3969453, 4359891, 4879878, 4945548, 5292604, 5345796, 5813188, 7938906, 8464177, 8719782, 9759756, 15452947, 15877812, 16928354, 17439564, 25139869, 25392531, 27612643, 30905894, 33856708, 46358841, 50279738, 50785062, 55225286, 61811788, 75419607, 82837929, 88651117, 92717682, 100559476, 101570124, 110450572, 150839214, 165675858, 177302234, 185435364, 265953351, 301678428, 331351716, 354604468, 531906702, 1063813404, 1684371223, 3368742446, 5053113669, 6737484892, 10106227338, 20212454676]

約数ペア:

[(1, 20212454676), (2, 10106227338), (3, 6737484892), (4, 5053113669), (6, 3368742446), (12, 1684371223), (19, 1063813404), (38, 531906702), (57, 354604468), (61, 331351716), (67, 301678428), (76, 265953351), (109, 185435364), (114, 177302234), (122, 165675858), (134, 150839214), (183, 110450572), (199, 101570124), (201, 100559476), (218, 92717682), (228, 88651117), (244, 82837929), (268, 75419607), (327, 61811788), (366, 55225286), (398, 50785062), (402, 50279738), (436, 46358841), (597, 33856708), (654, 30905894), (732, 27612643), (796, 25392531), (804, 25139869), (1159, 17439564), (1194, 16928354), (1273, 15877812), (1308, 15452947), (2071, 9759756), (2318, 8719782), (2388, 8464177), (2546, 7938906), (3477, 5813188), (3781, 5345796), (3819, 5292604), (4087, 4945548), (4142, 4879878), (4636, 4359891), (5092, 3969453), (6213, 3253252), (6649, 3039924), (6954, 2906594), (7303, 2767692), (7562, 2672898), (7638, 2646302), (8174, 2472774), (8284, 2439939), (11343, 1781932), (12139, 1665084), (12261, 1648516), (12426, 1626626), (13298, 1519962), (13333, 1515972), (13908, 1453297), (14606, 1383846), (15124, 1336449), (15276, 1323151), (16348, 1236387), (19947, 1013308), (21691, 931836), (21909, 922564), (22686, 890966), (24278, 832542), (24522, 824258), (24852, 813313), (26596, 759981), (26666, 757986), (29212, 691923), (36417, 555028), (39894, 506654), (39999, 505324), (43382, 465918), (43818, 461282), (45372, 445483), (48556, 416271), (49044, 412129), (53332, 378993), (65073, 310612), (72834, 277514), (77653, 260292), (79788, 253327), (79998, 252662), (86764, 232959), (87636, 230641), (126331, 159996), (130146, 155306), (138757, 145668)]