20170448

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{929}}^1$

素因数の和:1019

約数の個数: 40

約数和(自身を含む): 41515200

約数和(自身を除く): 21344752

約数列:

[1, 2, 4, 8, 16, 23, 46, 59, 92, 118, 184, 236, 368, 472, 929, 944, 1357, 1858, 2714, 3716, 5428, 7432, 10856, 14864, 21367, 21712, 42734, 54811, 85468, 109622, 170936, 219244, 341872, 438488, 876976, 1260653, 2521306, 5042612, 10085224, 20170448]

約数ペア:

[(1, 20170448), (2, 10085224), (4, 5042612), (8, 2521306), (16, 1260653), (23, 876976), (46, 438488), (59, 341872), (92, 219244), (118, 170936), (184, 109622), (236, 85468), (368, 54811), (472, 42734), (929, 21712), (944, 21367), (1357, 14864), (1858, 10856), (2714, 7432), (3716, 5428)]