20218120100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8790487}}^1$

素因数の和:8790524

約数の個数: 36

約数和(自身を含む): 45780861504

約数和(自身を除く): 25562741404

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 8790487, 17580974, 35161948, 43952435, 87904870, 175809740, 202181201, 219762175, 404362402, 439524350, 808724804, 879048700, 1010906005, 2021812010, 4043624020, 5054530025, 10109060050, 20218120100]

約数ペア:

[(1, 20218120100), (2, 10109060050), (4, 5054530025), (5, 4043624020), (10, 2021812010), (20, 1010906005), (23, 879048700), (25, 808724804), (46, 439524350), (50, 404362402), (92, 219762175), (100, 202181201), (115, 175809740), (230, 87904870), (460, 43952435), (575, 35161948), (1150, 17580974), (2300, 8790487)]