20326576

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 41140224

約数和(自身を除く): 20813648

約数列:

[1, 2, 4, 8, 16, 31, 62, 107, 124, 214, 248, 383, 428, 496, 766, 856, 1532, 1712, 3064, 3317, 6128, 6634, 11873, 13268, 23746, 26536, 40981, 47492, 53072, 81962, 94984, 163924, 189968, 327848, 655696, 1270411, 2540822, 5081644, 10163288, 20326576]

約数ペア:

[(1, 20326576), (2, 10163288), (4, 5081644), (8, 2540822), (16, 1270411), (31, 655696), (62, 327848), (107, 189968), (124, 163924), (214, 94984), (248, 81962), (383, 53072), (428, 47492), (496, 40981), (766, 26536), (856, 23746), (1532, 13268), (1712, 11873), (3064, 6634), (3317, 6128)]