2040644420

素因数分解:

$2^2\times 5^1\times {\mathrm{6863}}^1\times {\mathrm{14867}}^1$

素因数の和:21739

約数の個数: 24

約数和(自身を含む): 4286265984

約数和(自身を除く): 2245621564

約数列:

[1, 2, 4, 5, 10, 20, 6863, 13726, 14867, 27452, 29734, 34315, 59468, 68630, 74335, 137260, 148670, 297340, 102032221, 204064442, 408128884, 510161105, 1020322210, 2040644420]

約数ペア:

[(1, 2040644420), (2, 1020322210), (4, 510161105), (5, 408128884), (10, 204064442), (20, 102032221), (6863, 297340), (13726, 148670), (14867, 137260), (27452, 74335), (29734, 68630), (34315, 59468)]