20223920

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3463}}^1$

素因数の和:3549

約数の個数: 40

約数和(自身を含む): 47678496

約数和(自身を除く): 27454576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3463, 5840, 6926, 13852, 17315, 27704, 34630, 55408, 69260, 138520, 252799, 277040, 505598, 1011196, 1263995, 2022392, 2527990, 4044784, 5055980, 10111960, 20223920]

約数ペア:

[(1, 20223920), (2, 10111960), (4, 5055980), (5, 4044784), (8, 2527990), (10, 2022392), (16, 1263995), (20, 1011196), (40, 505598), (73, 277040), (80, 252799), (146, 138520), (292, 69260), (365, 55408), (584, 34630), (730, 27704), (1168, 17315), (1460, 13852), (2920, 6926), (3463, 5840)]