20108128520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4448701}}^1$

素因数の和:4448825

約数の個数: 32

約数和(自身を含む): 45643682520

約数和(自身を除く): 25535554000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 4448701, 8897402, 17794804, 22243505, 35589608, 44487010, 88974020, 177948040, 502703213, 1005406426, 2010812852, 2513516065, 4021625704, 5027032130, 10054064260, 20108128520]

約数ペア:

[(1, 20108128520), (2, 10054064260), (4, 5027032130), (5, 4021625704), (8, 2513516065), (10, 2010812852), (20, 1005406426), (40, 502703213), (113, 177948040), (226, 88974020), (452, 44487010), (565, 35589608), (904, 22243505), (1130, 17794804), (2260, 8897402), (4520, 4448701)]