20199751910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{319061}}^1$

素因数の和:319568

約数の個数: 32

約数和(自身を含む): 39236968512

約数和(自身を除く): 19037216602

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 487, 974, 2435, 4870, 6331, 12662, 31655, 63310, 319061, 638122, 1595305, 3190610, 4147793, 8295586, 20738965, 41477930, 155382707, 310765414, 776913535, 1553827070, 2019975191, 4039950382, 10099875955, 20199751910]

約数ペア:

[(1, 20199751910), (2, 10099875955), (5, 4039950382), (10, 2019975191), (13, 1553827070), (26, 776913535), (65, 310765414), (130, 155382707), (487, 41477930), (974, 20738965), (2435, 8295586), (4870, 4147793), (6331, 3190610), (12662, 1595305), (31655, 638122), (63310, 319061)]