2021330871220

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{67875449}}^1$

素因数の和:67876947

約数の個数: 24

約数和(自身を含む): 4247645661000

約数和(自身を除く): 2226314789780

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 5956, 7445, 14890, 29780, 67875449, 135750898, 271501796, 339377245, 678754490, 1357508980, 101066543561, 202133087122, 404266174244, 505332717805, 1010665435610, 2021330871220]

約数ペア:

[(1, 2021330871220), (2, 1010665435610), (4, 505332717805), (5, 404266174244), (10, 202133087122), (20, 101066543561), (1489, 1357508980), (2978, 678754490), (5956, 339377245), (7445, 271501796), (14890, 135750898), (29780, 67875449)]