20891032

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{823}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 41529600

約数和(自身を除く): 20638568

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 167, 334, 668, 823, 1336, 1646, 3173, 3292, 6346, 6584, 12692, 15637, 25384, 31274, 62548, 125096, 137441, 274882, 549764, 1099528, 2611379, 5222758, 10445516, 20891032]

約数ペア:

[(1, 20891032), (2, 10445516), (4, 5222758), (8, 2611379), (19, 1099528), (38, 549764), (76, 274882), (152, 137441), (167, 125096), (334, 62548), (668, 31274), (823, 25384), (1336, 15637), (1646, 12692), (3173, 6584), (3292, 6346)]