20351812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20599}}^1$

素因数の和:20635

約数の個数: 24

約数和(自身を含む): 40376000

約数和(自身を除く): 20024188

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20599, 41198, 82396, 267787, 391381, 535574, 782762, 1071148, 1565524, 5087953, 10175906, 20351812]

約数ペア:

[(1, 20351812), (2, 10175906), (4, 5087953), (13, 1565524), (19, 1071148), (26, 782762), (38, 535574), (52, 391381), (76, 267787), (247, 82396), (494, 41198), (988, 20599)]