20210671640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{233}}^1\times {\mathrm{6007}}^1$

素因数の和:6289

約数の個数: 96

約数和(自身を含む): 48207350880

約数和(自身を除く): 27996679240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 233, 361, 380, 466, 722, 760, 932, 1165, 1444, 1805, 1864, 2330, 2888, 3610, 4427, 4660, 6007, 7220, 8854, 9320, 12014, 14440, 17708, 22135, 24028, 30035, 35416, 44270, 48056, 60070, 84113, 88540, 114133, 120140, 168226, 177080, 228266, 240280, 336452, 420565, 456532, 570665, 672904, 841130, 913064, 1141330, 1399631, 1682260, 2168527, 2282660, 2799262, 3364520, 4337054, 4565320, 5598524, 6998155, 8674108, 10842635, 11197048, 13996310, 17348216, 21685270, 26592989, 27992620, 43370540, 53185978, 55985240, 86741080, 106371956, 132964945, 212743912, 265929890, 505266791, 531859780, 1010533582, 1063719560, 2021067164, 2526333955, 4042134328, 5052667910, 10105335820, 20210671640]

約数ペア:

[(1, 20210671640), (2, 10105335820), (4, 5052667910), (5, 4042134328), (8, 2526333955), (10, 2021067164), (19, 1063719560), (20, 1010533582), (38, 531859780), (40, 505266791), (76, 265929890), (95, 212743912), (152, 132964945), (190, 106371956), (233, 86741080), (361, 55985240), (380, 53185978), (466, 43370540), (722, 27992620), (760, 26592989), (932, 21685270), (1165, 17348216), (1444, 13996310), (1805, 11197048), (1864, 10842635), (2330, 8674108), (2888, 6998155), (3610, 5598524), (4427, 4565320), (4660, 4337054), (6007, 3364520), (7220, 2799262), (8854, 2282660), (9320, 2168527), (12014, 1682260), (14440, 1399631), (17708, 1141330), (22135, 913064), (24028, 841130), (30035, 672904), (35416, 570665), (44270, 456532), (48056, 420565), (60070, 336452), (84113, 240280), (88540, 228266), (114133, 177080), (120140, 168226)]