20171676890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87702943}}^1$

素因数の和:87702973

約数の個数: 16

約数和(自身を含む): 37887671808

約数和(自身を除く): 17715994918

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87702943, 175405886, 438514715, 877029430, 2017167689, 4034335378, 10085838445, 20171676890]

約数ペア:

[(1, 20171676890), (2, 10085838445), (5, 4034335378), (10, 2017167689), (23, 877029430), (46, 438514715), (115, 175405886), (230, 87702943)]