20197726430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1026829}}^1$

素因数の和:1027124

約数の個数: 32

約数和(自身を含む): 41697512640

約数和(自身を除く): 21499786210

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 281, 562, 1405, 1967, 2810, 3934, 9835, 19670, 1026829, 2053658, 5134145, 7187803, 10268290, 14375606, 35939015, 71878030, 288538949, 577077898, 1442694745, 2019772643, 2885389490, 4039545286, 10098863215, 20197726430]

約数ペア:

[(1, 20197726430), (2, 10098863215), (5, 4039545286), (7, 2885389490), (10, 2019772643), (14, 1442694745), (35, 577077898), (70, 288538949), (281, 71878030), (562, 35939015), (1405, 14375606), (1967, 10268290), (2810, 7187803), (3934, 5134145), (9835, 2053658), (19670, 1026829)]