20560424

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19097176

約数列:

[1, 2, 4, 8, 67, 89, 134, 178, 268, 356, 431, 536, 712, 862, 1724, 3448, 5963, 11926, 23852, 28877, 38359, 47704, 57754, 76718, 115508, 153436, 231016, 306872, 2570053, 5140106, 10280212, 20560424]

約数ペア:

[(1, 20560424), (2, 10280212), (4, 5140106), (8, 2570053), (67, 306872), (89, 231016), (134, 153436), (178, 115508), (268, 76718), (356, 57754), (431, 47704), (536, 38359), (712, 28877), (862, 23852), (1724, 11926), (3448, 5963)]