20971384

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2069}}^1$

素因数の和:2263

約数の個数: 32

約数和(自身を含む): 45208800

約数和(自身を除く): 24237416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2069, 2534, 4138, 5068, 8276, 10136, 14483, 16552, 28966, 57932, 115864, 374489, 748978, 1497956, 2621423, 2995912, 5242846, 10485692, 20971384]

約数ペア:

[(1, 20971384), (2, 10485692), (4, 5242846), (7, 2995912), (8, 2621423), (14, 1497956), (28, 748978), (56, 374489), (181, 115864), (362, 57932), (724, 28966), (1267, 16552), (1448, 14483), (2069, 10136), (2534, 8276), (4138, 5068)]