20639996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13687}}^1$

素因数の和:13733

約数の個数: 24

約数和(自身を含む): 40242720

約数和(自身を除く): 19602724

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 13687, 27374, 54748, 177931, 355862, 396923, 711724, 793846, 1587692, 5159999, 10319998, 20639996]

約数ペア:

[(1, 20639996), (2, 10319998), (4, 5159999), (13, 1587692), (26, 793846), (29, 711724), (52, 396923), (58, 355862), (116, 177931), (377, 54748), (754, 27374), (1508, 13687)]