20474190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20681}}^1$

素因数の和:20705

約数の個数: 48

約数和(自身を含む): 58075056

約数和(自身を除く): 37600866

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20681, 41362, 62043, 103405, 124086, 186129, 206810, 227491, 310215, 372258, 454982, 620430, 682473, 930645, 1137455, 1364946, 1861290, 2047419, 2274910, 3412365, 4094838, 6824730, 10237095, 20474190]

約数ペア:

[(1, 20474190), (2, 10237095), (3, 6824730), (5, 4094838), (6, 3412365), (9, 2274910), (10, 2047419), (11, 1861290), (15, 1364946), (18, 1137455), (22, 930645), (30, 682473), (33, 620430), (45, 454982), (55, 372258), (66, 310215), (90, 227491), (99, 206810), (110, 186129), (165, 124086), (198, 103405), (330, 62043), (495, 41362), (990, 20681)]