20158884616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{235523}}^1$

素因数の和:236365

約数の個数: 32

約数和(自身を含む): 40755072960

約数和(自身を除く): 20596188344

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 823, 1646, 3292, 6584, 10699, 21398, 42796, 85592, 235523, 471046, 942092, 1884184, 3061799, 6123598, 12247196, 24494392, 193835429, 387670858, 775341716, 1550683432, 2519860577, 5039721154, 10079442308, 20158884616]

約数ペア:

[(1, 20158884616), (2, 10079442308), (4, 5039721154), (8, 2519860577), (13, 1550683432), (26, 775341716), (52, 387670858), (104, 193835429), (823, 24494392), (1646, 12247196), (3292, 6123598), (6584, 3061799), (10699, 1884184), (21398, 942092), (42796, 471046), (85592, 235523)]