20219219212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{451201}}^1$

素因数の和:451881

約数の個数: 24

約数和(自身を含む): 37521958320

約数和(自身を除く): 17302739108

約数列:

[1, 2, 4, 17, 34, 68, 659, 1318, 2636, 11203, 22406, 44812, 451201, 902402, 1804804, 7670417, 15340834, 30681668, 297341459, 594682918, 1189365836, 5054804803, 10109609606, 20219219212]

約数ペア:

[(1, 20219219212), (2, 10109609606), (4, 5054804803), (17, 1189365836), (34, 594682918), (68, 297341459), (659, 30681668), (1318, 15340834), (2636, 7670417), (11203, 1804804), (22406, 902402), (44812, 451201)]