20868296

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{70501}}^1$

素因数の和:70544

約数の個数: 16

約数和(自身を含む): 40186140

約数和(自身を除く): 19317844

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 70501, 141002, 282004, 564008, 2608537, 5217074, 10434148, 20868296]

約数ペア:

[(1, 20868296), (2, 10434148), (4, 5217074), (8, 2608537), (37, 564008), (74, 282004), (148, 141002), (296, 70501)]