20099439

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 30486144

約数和(自身を除く): 10386705

約数列:

[1, 3, 9, 31, 61, 93, 183, 279, 549, 1181, 1891, 3543, 5673, 10629, 17019, 36611, 72041, 109833, 216123, 329499, 648369, 2233271, 6699813, 20099439]

約数ペア:

[(1, 20099439), (3, 6699813), (9, 2233271), (31, 648369), (61, 329499), (93, 216123), (183, 109833), (279, 72041), (549, 36611), (1181, 17019), (1891, 10629), (3543, 5673)]