20751070

素因数分解:

$2^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4261}}^1$

素因数の和:4755

約数の個数: 16

約数和(自身を含む): 37437408

約数和(自身を除く): 16686338

約数列:

[1, 2, 5, 10, 487, 974, 2435, 4261, 4870, 8522, 21305, 42610, 2075107, 4150214, 10375535, 20751070]

約数ペア:

[(1, 20751070), (2, 10375535), (5, 4150214), (10, 2075107), (487, 42610), (974, 21305), (2435, 8522), (4261, 4870)]