20115560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17341}}^1$

素因数の和:17381

約数の個数: 32

約数和(自身を含む): 46823400

約数和(自身を除く): 26707840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17341, 34682, 69364, 86705, 138728, 173410, 346820, 502889, 693640, 1005778, 2011556, 2514445, 4023112, 5028890, 10057780, 20115560]

約数ペア:

[(1, 20115560), (2, 10057780), (4, 5028890), (5, 4023112), (8, 2514445), (10, 2011556), (20, 1005778), (29, 693640), (40, 502889), (58, 346820), (116, 173410), (145, 138728), (232, 86705), (290, 69364), (580, 34682), (1160, 17341)]