20617506

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 56504448

約数和(自身を除く): 35886942

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 41, 42, 63, 78, 82, 91, 117, 123, 126, 182, 234, 246, 273, 287, 307, 369, 533, 546, 574, 614, 738, 819, 861, 921, 1066, 1599, 1638, 1722, 1842, 2149, 2583, 2763, 3198, 3731, 3991, 4298, 4797, 5166, 5526, 6447, 7462, 7982, 9594, 11193, 11973, 12587, 12894, 19341, 22386, 23946, 25174, 27937, 33579, 35919, 37761, 38682, 55874, 67158, 71838, 75522, 83811, 88109, 113283, 163631, 167622, 176218, 226566, 251433, 264327, 327262, 490893, 502866, 528654, 792981, 981786, 1145417, 1472679, 1585962, 2290834, 2945358, 3436251, 6872502, 10308753, 20617506]

約数ペア:

[(1, 20617506), (2, 10308753), (3, 6872502), (6, 3436251), (7, 2945358), (9, 2290834), (13, 1585962), (14, 1472679), (18, 1145417), (21, 981786), (26, 792981), (39, 528654), (41, 502866), (42, 490893), (63, 327262), (78, 264327), (82, 251433), (91, 226566), (117, 176218), (123, 167622), (126, 163631), (182, 113283), (234, 88109), (246, 83811), (273, 75522), (287, 71838), (307, 67158), (369, 55874), (533, 38682), (546, 37761), (574, 35919), (614, 33579), (738, 27937), (819, 25174), (861, 23946), (921, 22386), (1066, 19341), (1599, 12894), (1638, 12587), (1722, 11973), (1842, 11193), (2149, 9594), (2583, 7982), (2763, 7462), (3198, 6447), (3731, 5526), (3991, 5166), (4298, 4797)]