20712370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{659}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 22055630

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 449, 659, 898, 1318, 2245, 3143, 3295, 4490, 4613, 6286, 6590, 9226, 15715, 23065, 31430, 46130, 295891, 591782, 1479455, 2071237, 2958910, 4142474, 10356185, 20712370]

約数ペア:

[(1, 20712370), (2, 10356185), (5, 4142474), (7, 2958910), (10, 2071237), (14, 1479455), (35, 591782), (70, 295891), (449, 46130), (659, 31430), (898, 23065), (1318, 15715), (2245, 9226), (3143, 6590), (3295, 6286), (4490, 4613)]