20785336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18169}}^1$

素因数の和:18199

約数の個数: 32

約数和(自身を含む): 45788400

約数和(自身を除く): 25003064

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18169, 36338, 72676, 145352, 199859, 236197, 399718, 472394, 799436, 944788, 1598872, 1889576, 2598167, 5196334, 10392668, 20785336]

約数ペア:

[(1, 20785336), (2, 10392668), (4, 5196334), (8, 2598167), (11, 1889576), (13, 1598872), (22, 944788), (26, 799436), (44, 472394), (52, 399718), (88, 236197), (104, 199859), (143, 145352), (286, 72676), (572, 36338), (1144, 18169)]