20194802690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6987821}}^1$

素因数の和:6987862

約数の個数: 24

約数和(自身を含む): 38614704372

約数和(自身を除く): 18419901682

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 6987821, 13975642, 34939105, 69878210, 118792957, 237585914, 593964785, 1187929570, 2019480269, 4038960538, 10097401345, 20194802690]

約数ペア:

[(1, 20194802690), (2, 10097401345), (5, 4038960538), (10, 2019480269), (17, 1187929570), (34, 593964785), (85, 237585914), (170, 118792957), (289, 69878210), (578, 34939105), (1445, 13975642), (2890, 6987821)]