20187020425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{434363}}^1$

素因数の和:434410

約数の個数: 36

約数和(自身を含む): 29569763664

約数和(自身を除く): 9382743239

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 169, 275, 325, 715, 845, 1859, 3575, 4225, 9295, 46475, 434363, 2171815, 4777993, 5646719, 10859075, 23889965, 28233595, 62113909, 73407347, 119449825, 141167975, 310569545, 367036735, 807480817, 1552847725, 1835183675, 4037404085, 20187020425]

約数ペア:

[(1, 20187020425), (5, 4037404085), (11, 1835183675), (13, 1552847725), (25, 807480817), (55, 367036735), (65, 310569545), (143, 141167975), (169, 119449825), (275, 73407347), (325, 62113909), (715, 28233595), (845, 23889965), (1859, 10859075), (3575, 5646719), (4225, 4777993), (9295, 2171815), (46475, 434363)]