20251964

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{17519}}^1$

素因数の和:17557

約数の個数: 18

約数和(自身を含む): 37650480

約数和(自身を除く): 17398516

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 17519, 35038, 70076, 297823, 595646, 1191292, 5062991, 10125982, 20251964]

約数ペア:

[(1, 20251964), (2, 10125982), (4, 5062991), (17, 1191292), (34, 595646), (68, 297823), (289, 70076), (578, 35038), (1156, 17519)]