20996870474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1\times {\mathrm{12743}}^1$

素因数の和:13226

約数の個数: 32

約数和(自身を含む): 33509583360

約数和(自身を除く): 12512712886

約数列:

[1, 2, 19, 38, 131, 262, 331, 662, 2489, 4978, 6289, 12578, 12743, 25486, 43361, 86722, 242117, 484234, 823859, 1647718, 1669333, 3338666, 4217933, 8435866, 31717327, 63434654, 80140727, 160281454, 552549223, 1105098446, 10498435237, 20996870474]

約数ペア:

[(1, 20996870474), (2, 10498435237), (19, 1105098446), (38, 552549223), (131, 160281454), (262, 80140727), (331, 63434654), (662, 31717327), (2489, 8435866), (4978, 4217933), (6289, 3338666), (12578, 1669333), (12743, 1647718), (25486, 823859), (43361, 484234), (86722, 242117)]