20366240

素因数分解:

$2^5\times 5^1\times {\mathrm{127289}}^1$

素因数の和:127304

約数の個数: 24

約数和(自身を含む): 48115620

約数和(自身を除く): 27749380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127289, 254578, 509156, 636445, 1018312, 1272890, 2036624, 2545780, 4073248, 5091560, 10183120, 20366240]

約数ペア:

[(1, 20366240), (2, 10183120), (4, 5091560), (5, 4073248), (8, 2545780), (10, 2036624), (16, 1272890), (20, 1018312), (32, 636445), (40, 509156), (80, 254578), (160, 127289)]