20925097240

素因数分解:

$2^3\times 5^1\times {\mathrm{953}}^1\times {\mathrm{548927}}^1$

素因数の和:549891

約数の個数: 32

約数和(自身を含む): 47130958080

約数和(自身を除く): 26205860840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 953, 1906, 3812, 4765, 7624, 9530, 19060, 38120, 548927, 1097854, 2195708, 2744635, 4391416, 5489270, 10978540, 21957080, 523127431, 1046254862, 2092509724, 2615637155, 4185019448, 5231274310, 10462548620, 20925097240]

約数ペア:

[(1, 20925097240), (2, 10462548620), (4, 5231274310), (5, 4185019448), (8, 2615637155), (10, 2092509724), (20, 1046254862), (40, 523127431), (953, 21957080), (1906, 10978540), (3812, 5489270), (4765, 4391416), (7624, 2744635), (9530, 2195708), (19060, 1097854), (38120, 548927)]