20172596680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{70327}}^1$

素因数の和:70510

約数の個数: 64

約数和(自身を含む): 46483994880

約数和(自身を除く): 26311398200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 101, 142, 202, 284, 355, 404, 505, 568, 710, 808, 1010, 1420, 2020, 2840, 4040, 7171, 14342, 28684, 35855, 57368, 70327, 71710, 140654, 143420, 281308, 286840, 351635, 562616, 703270, 1406540, 2813080, 4993217, 7103027, 9986434, 14206054, 19972868, 24966085, 28412108, 35515135, 39945736, 49932170, 56824216, 71030270, 99864340, 142060540, 199728680, 284121080, 504314917, 1008629834, 2017259668, 2521574585, 4034519336, 5043149170, 10086298340, 20172596680]

約数ペア:

[(1, 20172596680), (2, 10086298340), (4, 5043149170), (5, 4034519336), (8, 2521574585), (10, 2017259668), (20, 1008629834), (40, 504314917), (71, 284121080), (101, 199728680), (142, 142060540), (202, 99864340), (284, 71030270), (355, 56824216), (404, 49932170), (505, 39945736), (568, 35515135), (710, 28412108), (808, 24966085), (1010, 19972868), (1420, 14206054), (2020, 9986434), (2840, 7103027), (4040, 4993217), (7171, 2813080), (14342, 1406540), (28684, 703270), (35855, 562616), (57368, 351635), (70327, 286840), (71710, 281308), (140654, 143420)]