20512971392

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9426917}}^1$

素因数の和:9426948

約数の個数: 32

約数和(自身を含む): 43269553620

約数和(自身を除く): 22756582228

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9426917, 18853834, 37707668, 75415336, 150830672, 160257589, 301661344, 320515178, 603322688, 641030356, 1206645376, 1282060712, 2564121424, 5128242848, 10256485696, 20512971392]

約数ペア:

[(1, 20512971392), (2, 10256485696), (4, 5128242848), (8, 2564121424), (16, 1282060712), (17, 1206645376), (32, 641030356), (34, 603322688), (64, 320515178), (68, 301661344), (128, 160257589), (136, 150830672), (272, 75415336), (544, 37707668), (1088, 18853834), (2176, 9426917)]