20940252

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 50878464

約数和(自身を除く): 29938212

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 181, 186, 311, 362, 372, 543, 622, 724, 933, 1086, 1244, 1866, 2172, 3732, 5611, 9641, 11222, 16833, 19282, 22444, 28923, 33666, 38564, 56291, 57846, 67332, 112582, 115692, 168873, 225164, 337746, 675492, 1745021, 3490042, 5235063, 6980084, 10470126, 20940252]

約数ペア:

[(1, 20940252), (2, 10470126), (3, 6980084), (4, 5235063), (6, 3490042), (12, 1745021), (31, 675492), (62, 337746), (93, 225164), (124, 168873), (181, 115692), (186, 112582), (311, 67332), (362, 57846), (372, 56291), (543, 38564), (622, 33666), (724, 28923), (933, 22444), (1086, 19282), (1244, 16833), (1866, 11222), (2172, 9641), (3732, 5611)]