20215764496

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{9948703}}^1$

素因数の和:9948838

約数の個数: 20

約数和(自身を含む): 39476457472

約数和(自身を除く): 19260692976

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 9948703, 19897406, 39794812, 79589624, 159179248, 1263485281, 2526970562, 5053941124, 10107882248, 20215764496]

約数ペア:

[(1, 20215764496), (2, 10107882248), (4, 5053941124), (8, 2526970562), (16, 1263485281), (127, 159179248), (254, 79589624), (508, 39794812), (1016, 19897406), (2032, 9948703)]