20118718

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4517}}^1$

素因数の和:4667

約数の個数: 16

約数和(自身を含む): 32204304

約数和(自身を除く): 12085586

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 4517, 9034, 76789, 153578, 591727, 1183454, 10059359, 20118718]

約数ペア:

[(1, 20118718), (2, 10059359), (17, 1183454), (34, 591727), (131, 153578), (262, 76789), (2227, 9034), (4454, 4517)]