20118372

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 48676992

約数和(自身を除く): 28558620

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 103, 123, 164, 206, 246, 309, 397, 412, 492, 618, 794, 1191, 1236, 1588, 2382, 4223, 4764, 8446, 12669, 16277, 16892, 25338, 32554, 40891, 48831, 50676, 65108, 81782, 97662, 122673, 163564, 195324, 245346, 490692, 1676531, 3353062, 5029593, 6706124, 10059186, 20118372]

約数ペア:

[(1, 20118372), (2, 10059186), (3, 6706124), (4, 5029593), (6, 3353062), (12, 1676531), (41, 490692), (82, 245346), (103, 195324), (123, 163564), (164, 122673), (206, 97662), (246, 81782), (309, 65108), (397, 50676), (412, 48831), (492, 40891), (618, 32554), (794, 25338), (1191, 16892), (1236, 16277), (1588, 12669), (2382, 8446), (4223, 4764)]