22154320

素因数分解:

$2^4\times 5^1\times {\mathrm{276929}}^1$

素因数の和:276942

約数の個数: 20

約数和(自身を含む): 51508980

約数和(自身を除く): 29354660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 276929, 553858, 1107716, 1384645, 2215432, 2769290, 4430864, 5538580, 11077160, 22154320]

約数ペア:

[(1, 22154320), (2, 11077160), (4, 5538580), (5, 4430864), (8, 2769290), (10, 2215432), (16, 1384645), (20, 1107716), (40, 553858), (80, 276929)]