20535656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{809}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20288344

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 167, 334, 668, 809, 1336, 1618, 3173, 3236, 6346, 6472, 12692, 15371, 25384, 30742, 61484, 122968, 135103, 270206, 540412, 1080824, 2566957, 5133914, 10267828, 20535656]

約数ペア:

[(1, 20535656), (2, 10267828), (4, 5133914), (8, 2566957), (19, 1080824), (38, 540412), (76, 270206), (152, 135103), (167, 122968), (334, 61484), (668, 30742), (809, 25384), (1336, 15371), (1618, 12692), (3173, 6472), (3236, 6346)]