20105298

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 45467136

約数和(自身を除く): 25361838

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 137, 186, 263, 274, 279, 411, 526, 558, 789, 822, 1233, 1578, 2367, 2466, 4247, 4734, 8153, 8494, 12741, 16306, 24459, 25482, 36031, 38223, 48918, 72062, 73377, 76446, 108093, 146754, 216186, 324279, 648558, 1116961, 2233922, 3350883, 6701766, 10052649, 20105298]

約数ペア:

[(1, 20105298), (2, 10052649), (3, 6701766), (6, 3350883), (9, 2233922), (18, 1116961), (31, 648558), (62, 324279), (93, 216186), (137, 146754), (186, 108093), (263, 76446), (274, 73377), (279, 72062), (411, 48918), (526, 38223), (558, 36031), (789, 25482), (822, 24459), (1233, 16306), (1578, 12741), (2367, 8494), (2466, 8153), (4247, 4734)]