20406984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65407}}^1$

素因数の和:65429

約数の個数: 32

約数和(自身を含む): 54942720

約数和(自身を除く): 34535736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65407, 130814, 196221, 261628, 392442, 523256, 784884, 850291, 1569768, 1700582, 2550873, 3401164, 5101746, 6802328, 10203492, 20406984]

約数ペア:

[(1, 20406984), (2, 10203492), (3, 6802328), (4, 5101746), (6, 3401164), (8, 2550873), (12, 1700582), (13, 1569768), (24, 850291), (26, 784884), (39, 523256), (52, 392442), (78, 261628), (104, 196221), (156, 130814), (312, 65407)]