20187692

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8101}}^1$

素因数の和:8201

約数の個数: 24

約数和(自身を含む): 40834080

約数和(自身を除く): 20646388

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8101, 16202, 32404, 56707, 113414, 226828, 720989, 1441978, 2883956, 5046923, 10093846, 20187692]

約数ペア:

[(1, 20187692), (2, 10093846), (4, 5046923), (7, 2883956), (14, 1441978), (28, 720989), (89, 226828), (178, 113414), (356, 56707), (623, 32404), (1246, 16202), (2492, 8101)]