20123595940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143739971}}^1$

素因数の和:143739987

約数の個数: 24

約数和(自身を含む): 48296630592

約数和(自身を除く): 28173034652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143739971, 287479942, 574959884, 718699855, 1006179797, 1437399710, 2012359594, 2874799420, 4024719188, 5030898985, 10061797970, 20123595940]

約数ペア:

[(1, 20123595940), (2, 10061797970), (4, 5030898985), (5, 4024719188), (7, 2874799420), (10, 2012359594), (14, 1437399710), (20, 1006179797), (28, 718699855), (35, 574959884), (70, 287479942), (140, 143739971)]