20470290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8221}}^1$

素因数の和:8314

約数の個数: 32

約数和(自身を含む): 49726656

約数和(自身を除く): 29256366

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8221, 16442, 24663, 41105, 49326, 82210, 123315, 246630, 682343, 1364686, 2047029, 3411715, 4094058, 6823430, 10235145, 20470290]

約数ペア:

[(1, 20470290), (2, 10235145), (3, 6823430), (5, 4094058), (6, 3411715), (10, 2047029), (15, 1364686), (30, 682343), (83, 246630), (166, 123315), (249, 82210), (415, 49326), (498, 41105), (830, 24663), (1245, 16442), (2490, 8221)]