20218392478

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1\times {\mathrm{379}}^1\times {\mathrm{389}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 30730752000

約数和(自身を除く): 10512359522

約数列:

[1, 2, 191, 359, 379, 382, 389, 718, 758, 778, 68569, 72389, 74299, 136061, 137138, 139651, 144778, 147431, 148598, 272122, 279302, 294862, 25987651, 26673341, 28159321, 51975302, 52927729, 53346682, 56318642, 105855458, 10109196239, 20218392478]

約数ペア:

[(1, 20218392478), (2, 10109196239), (191, 105855458), (359, 56318642), (379, 53346682), (382, 52927729), (389, 51975302), (718, 28159321), (758, 26673341), (778, 25987651), (68569, 294862), (72389, 279302), (74299, 272122), (136061, 148598), (137138, 147431), (139651, 144778)]