20914839

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11119}}^1$

素因数の和:11155

約数の個数: 24

約数和(自身を含む): 34694400

約数和(自身を除く): 13779561

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 11119, 33357, 100071, 122309, 211261, 366927, 633783, 1100781, 1901349, 2323871, 6971613, 20914839]

約数ペア:

[(1, 20914839), (3, 6971613), (9, 2323871), (11, 1901349), (19, 1100781), (33, 633783), (57, 366927), (99, 211261), (171, 122309), (209, 100071), (627, 33357), (1881, 11119)]