20964512

素因数分解:

$2^5\times {\mathrm{167}}^1\times {\mathrm{3923}}^1$

素因数の和:4100

約数の個数: 24

約数和(自身を含む): 41531616

約数和(自身を除く): 20567104

約数列:

[1, 2, 4, 8, 16, 32, 167, 334, 668, 1336, 2672, 3923, 5344, 7846, 15692, 31384, 62768, 125536, 655141, 1310282, 2620564, 5241128, 10482256, 20964512]

約数ペア:

[(1, 20964512), (2, 10482256), (4, 5241128), (8, 2620564), (16, 1310282), (32, 655141), (167, 125536), (334, 62768), (668, 31384), (1336, 15692), (2672, 7846), (3923, 5344)]