19875940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141971}}^1$

素因数の和:141987

約数の個数: 24

約数和(自身を含む): 47702592

約数和(自身を除く): 27826652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141971, 283942, 567884, 709855, 993797, 1419710, 1987594, 2839420, 3975188, 4968985, 9937970, 19875940]

約数ペア:

[(1, 19875940), (2, 9937970), (4, 4968985), (5, 3975188), (7, 2839420), (10, 1987594), (14, 1419710), (20, 993797), (28, 709855), (35, 567884), (70, 283942), (140, 141971)]