20121626195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{135449}}^1$

素因数の和:135575

約数の個数: 32

約数和(自身を含む): 27423748800

約数和(自身を除く): 7302122605

約数列:

[1, 5, 11, 37, 55, 73, 185, 365, 407, 803, 2035, 2701, 4015, 13505, 29711, 135449, 148555, 677245, 1489939, 5011613, 7449695, 9887777, 25058065, 49438885, 55127743, 108765547, 275638715, 365847749, 543827735, 1829238745, 4024325239, 20121626195]

約数ペア:

[(1, 20121626195), (5, 4024325239), (11, 1829238745), (37, 543827735), (55, 365847749), (73, 275638715), (185, 108765547), (365, 55127743), (407, 49438885), (803, 25058065), (2035, 9887777), (2701, 7449695), (4015, 5011613), (13505, 1489939), (29711, 677245), (135449, 148555)]