200920120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173207}}^1$

素因数の和:173247

約数の個数: 32

約数和(自身を含む): 467661600

約数和(自身を除く): 266741480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 173207, 346414, 692828, 866035, 1385656, 1732070, 3464140, 5023003, 6928280, 10046006, 20092012, 25115015, 40184024, 50230030, 100460060, 200920120]

約数ペア:

[(1, 200920120), (2, 100460060), (4, 50230030), (5, 40184024), (8, 25115015), (10, 20092012), (20, 10046006), (29, 6928280), (40, 5023003), (58, 3464140), (116, 1732070), (145, 1385656), (232, 866035), (290, 692828), (580, 346414), (1160, 173207)]