20300870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70003}}^1$

素因数の和:70039

約数の個数: 16

約数和(自身を含む): 37802160

約数和(自身を除く): 17501290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70003, 140006, 350015, 700030, 2030087, 4060174, 10150435, 20300870]

約数ペア:

[(1, 20300870), (2, 10150435), (5, 4060174), (10, 2030087), (29, 700030), (58, 350015), (145, 140006), (290, 70003)]