20154966

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1109}}^1$

素因数の和:1360

約数の個数: 32

約数和(自身を含む): 43636320

約数和(自身を除く): 23481354

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 233, 466, 699, 1109, 1398, 2218, 3029, 3327, 6058, 6654, 9087, 14417, 18174, 28834, 43251, 86502, 258397, 516794, 775191, 1550382, 3359161, 6718322, 10077483, 20154966]

約数ペア:

[(1, 20154966), (2, 10077483), (3, 6718322), (6, 3359161), (13, 1550382), (26, 775191), (39, 516794), (78, 258397), (233, 86502), (466, 43251), (699, 28834), (1109, 18174), (1398, 14417), (2218, 9087), (3029, 6654), (3327, 6058)]