20014984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{787}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 43544880

約数和(自身を除く): 23529896

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 289, 374, 578, 748, 787, 1156, 1496, 1574, 2312, 3148, 3179, 6296, 6358, 8657, 12716, 13379, 17314, 25432, 26758, 34628, 53516, 69256, 107032, 147169, 227443, 294338, 454886, 588676, 909772, 1177352, 1819544, 2501873, 5003746, 10007492, 20014984]

約数ペア:

[(1, 20014984), (2, 10007492), (4, 5003746), (8, 2501873), (11, 1819544), (17, 1177352), (22, 909772), (34, 588676), (44, 454886), (68, 294338), (88, 227443), (136, 147169), (187, 107032), (289, 69256), (374, 53516), (578, 34628), (748, 26758), (787, 25432), (1156, 17314), (1496, 13379), (1574, 12716), (2312, 8657), (3148, 6358), (3179, 6296)]