20161383892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20406259}}^1$

素因数の和:20406295

約数の個数: 24

約数和(自身を含む): 39996269600

約数和(自身を除く): 19834885708

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20406259, 40812518, 81625036, 265281367, 387718921, 530562734, 775437842, 1061125468, 1550875684, 5040345973, 10080691946, 20161383892]

約数ペア:

[(1, 20161383892), (2, 10080691946), (4, 5040345973), (13, 1550875684), (19, 1061125468), (26, 775437842), (38, 530562734), (52, 387718921), (76, 265281367), (247, 81625036), (494, 40812518), (988, 20406259)]