20218572048

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{87011}}^1$

素因数の和:87172

約数の個数: 80

約数和(自身を含む): 53861124096

約数和(自身を除く): 33642552048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 103, 141, 188, 206, 282, 309, 376, 412, 564, 618, 752, 824, 1128, 1236, 1648, 2256, 2472, 4841, 4944, 9682, 14523, 19364, 29046, 38728, 58092, 77456, 87011, 116184, 174022, 232368, 261033, 348044, 522066, 696088, 1044132, 1392176, 2088264, 4089517, 4176528, 8179034, 8962133, 12268551, 16358068, 17924266, 24537102, 26886399, 32716136, 35848532, 49074204, 53772798, 65432272, 71697064, 98148408, 107545596, 143394128, 196296816, 215091192, 421220251, 430182384, 842440502, 1263660753, 1684881004, 2527321506, 3369762008, 5054643012, 6739524016, 10109286024, 20218572048]

約数ペア:

[(1, 20218572048), (2, 10109286024), (3, 6739524016), (4, 5054643012), (6, 3369762008), (8, 2527321506), (12, 1684881004), (16, 1263660753), (24, 842440502), (47, 430182384), (48, 421220251), (94, 215091192), (103, 196296816), (141, 143394128), (188, 107545596), (206, 98148408), (282, 71697064), (309, 65432272), (376, 53772798), (412, 49074204), (564, 35848532), (618, 32716136), (752, 26886399), (824, 24537102), (1128, 17924266), (1236, 16358068), (1648, 12268551), (2256, 8962133), (2472, 8179034), (4841, 4176528), (4944, 4089517), (9682, 2088264), (14523, 1392176), (19364, 1044132), (29046, 696088), (38728, 522066), (58092, 348044), (77456, 261033), (87011, 232368), (116184, 174022)]