20864245

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1831}}^1$

素因数の和:1932

約数の個数: 16

約数和(自身を含む): 26116992

約数和(自身を除く): 5252747

約数列:

[1, 5, 43, 53, 215, 265, 1831, 2279, 9155, 11395, 78733, 97043, 393665, 485215, 4172849, 20864245]

約数ペア:

[(1, 20864245), (5, 4172849), (43, 485215), (53, 393665), (215, 97043), (265, 78733), (1831, 11395), (2279, 9155)]