16984220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{77201}}^1$

素因数の和:77221

約数の個数: 24

約数和(自身を含む): 38909808

約数和(自身を除く): 21925588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 77201, 154402, 308804, 386005, 772010, 849211, 1544020, 1698422, 3396844, 4246055, 8492110, 16984220]

約数ペア:

[(1, 16984220), (2, 8492110), (4, 4246055), (5, 3396844), (10, 1698422), (11, 1544020), (20, 849211), (22, 772010), (44, 386005), (55, 308804), (110, 154402), (220, 77201)]