2197146820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9987031}}^1$

素因数の和:9987051

約数の個数: 24

約数和(自身を含む): 5033464128

約数和(自身を除く): 2836317308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9987031, 19974062, 39948124, 49935155, 99870310, 109857341, 199740620, 219714682, 439429364, 549286705, 1098573410, 2197146820]

約数ペア:

[(1, 2197146820), (2, 1098573410), (4, 549286705), (5, 439429364), (10, 219714682), (11, 199740620), (20, 109857341), (22, 99870310), (44, 49935155), (55, 39948124), (110, 19974062), (220, 9987031)]