20851593

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1877}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 33233088

約数和(自身を除く): 12381495

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 1877, 3703, 5631, 11109, 13139, 39417, 43171, 129513, 302197, 906591, 992933, 2978799, 6950531, 20851593]

約数ペア:

[(1, 20851593), (3, 6950531), (7, 2978799), (21, 992933), (23, 906591), (69, 302197), (161, 129513), (483, 43171), (529, 39417), (1587, 13139), (1877, 11109), (3703, 5631)]