20123983484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4274423}}^1$

素因数の和:4274545

約数の個数: 24

約数和(自身を含む): 38777574528

約数和(自身を除く): 18653591044

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4708, 4274423, 8548846, 17097692, 47018653, 94037306, 188074612, 457363261, 914726522, 1829453044, 5030995871, 10061991742, 20123983484]

約数ペア:

[(1, 20123983484), (2, 10061991742), (4, 5030995871), (11, 1829453044), (22, 914726522), (44, 457363261), (107, 188074612), (214, 94037306), (428, 47018653), (1177, 17097692), (2354, 8548846), (4708, 4274423)]