15906940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113621}}^1$

素因数の和:113637

約数の個数: 24

約数和(自身を含む): 38176992

約数和(自身を除く): 22270052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 113621, 227242, 454484, 568105, 795347, 1136210, 1590694, 2272420, 3181388, 3976735, 7953470, 15906940]

約数ペア:

[(1, 15906940), (2, 7953470), (4, 3976735), (5, 3181388), (7, 2272420), (10, 1590694), (14, 1136210), (20, 795347), (28, 568105), (35, 454484), (70, 227242), (140, 113621)]