20512971390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9630503}}^1$

素因数の和:9630584

約数の個数: 32

約数和(自身を含む): 49924532736

約数和(自身を除く): 29411561346

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9630503, 19261006, 28891509, 48152515, 57783018, 96305030, 144457545, 288915090, 683765713, 1367531426, 2051297139, 3418828565, 4102594278, 6837657130, 10256485695, 20512971390]

約数ペア:

[(1, 20512971390), (2, 10256485695), (3, 6837657130), (5, 4102594278), (6, 3418828565), (10, 2051297139), (15, 1367531426), (30, 683765713), (71, 288915090), (142, 144457545), (213, 96305030), (355, 57783018), (426, 48152515), (710, 28891509), (1065, 19261006), (2130, 9630503)]