20872566

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:108

約数の個数: 160

約数和(自身を含む): 59276448

約数和(自身を除く): 38403882

約数列:

[1, 2, 3, 6, 9, 11, 13, 17, 18, 22, 26, 27, 33, 34, 39, 51, 53, 54, 66, 78, 81, 99, 102, 106, 117, 143, 153, 159, 162, 187, 198, 221, 234, 286, 297, 306, 318, 351, 374, 429, 442, 459, 477, 561, 583, 594, 663, 689, 702, 858, 891, 901, 918, 954, 1053, 1122, 1166, 1287, 1326, 1377, 1378, 1431, 1683, 1749, 1782, 1802, 1989, 2067, 2106, 2431, 2574, 2703, 2754, 2862, 3366, 3498, 3861, 3978, 4134, 4293, 4862, 5049, 5247, 5406, 5967, 6201, 7293, 7579, 7722, 8109, 8586, 9911, 10098, 10494, 11583, 11713, 11934, 12402, 14586, 15147, 15158, 15741, 16218, 17901, 18603, 19822, 21879, 22737, 23166, 23426, 24327, 29733, 30294, 31482, 35139, 35802, 37206, 43758, 45474, 47223, 48654, 55809, 59466, 65637, 68211, 70278, 72981, 89199, 94446, 105417, 111618, 128843, 131274, 136422, 145962, 178398, 196911, 204633, 210834, 257686, 267597, 316251, 386529, 393822, 409266, 535194, 613899, 632502, 773058, 802791, 948753, 1159587, 1227798, 1605582, 1897506, 2319174, 3478761, 6957522, 10436283, 20872566]

約数ペア:

[(1, 20872566), (2, 10436283), (3, 6957522), (6, 3478761), (9, 2319174), (11, 1897506), (13, 1605582), (17, 1227798), (18, 1159587), (22, 948753), (26, 802791), (27, 773058), (33, 632502), (34, 613899), (39, 535194), (51, 409266), (53, 393822), (54, 386529), (66, 316251), (78, 267597), (81, 257686), (99, 210834), (102, 204633), (106, 196911), (117, 178398), (143, 145962), (153, 136422), (159, 131274), (162, 128843), (187, 111618), (198, 105417), (221, 94446), (234, 89199), (286, 72981), (297, 70278), (306, 68211), (318, 65637), (351, 59466), (374, 55809), (429, 48654), (442, 47223), (459, 45474), (477, 43758), (561, 37206), (583, 35802), (594, 35139), (663, 31482), (689, 30294), (702, 29733), (858, 24327), (891, 23426), (901, 23166), (918, 22737), (954, 21879), (1053, 19822), (1122, 18603), (1166, 17901), (1287, 16218), (1326, 15741), (1377, 15158), (1378, 15147), (1431, 14586), (1683, 12402), (1749, 11934), (1782, 11713), (1802, 11583), (1989, 10494), (2067, 10098), (2106, 9911), (2431, 8586), (2574, 8109), (2703, 7722), (2754, 7579), (2862, 7293), (3366, 6201), (3498, 5967), (3861, 5406), (3978, 5247), (4134, 5049), (4293, 4862)]