20292848

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:453

約数の個数: 40

約数和(自身を含む): 40997376

約数和(自身を除く): 20704528

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 163, 248, 251, 326, 496, 502, 652, 1004, 1304, 2008, 2608, 4016, 5053, 7781, 10106, 15562, 20212, 31124, 40424, 40913, 62248, 80848, 81826, 124496, 163652, 327304, 654608, 1268303, 2536606, 5073212, 10146424, 20292848]

約数ペア:

[(1, 20292848), (2, 10146424), (4, 5073212), (8, 2536606), (16, 1268303), (31, 654608), (62, 327304), (124, 163652), (163, 124496), (248, 81826), (251, 80848), (326, 62248), (496, 40913), (502, 40424), (652, 31124), (1004, 20212), (1304, 15562), (2008, 10106), (2608, 7781), (4016, 5053)]