20105992575

素因数分解:

$3^2\times 5^2\times {\mathrm{281}}^1\times {\mathrm{318007}}^1$

素因数の和:318304

約数の個数: 36

約数和(自身を含む): 36140337168

約数和(自身を除く): 16034344593

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 281, 843, 1405, 2529, 4215, 7025, 12645, 21075, 63225, 318007, 954021, 1590035, 2862063, 4770105, 7950175, 14310315, 23850525, 71551575, 89359967, 268079901, 446799835, 804239703, 1340399505, 2233999175, 4021198515, 6701997525, 20105992575]

約数ペア:

[(1, 20105992575), (3, 6701997525), (5, 4021198515), (9, 2233999175), (15, 1340399505), (25, 804239703), (45, 446799835), (75, 268079901), (225, 89359967), (281, 71551575), (843, 23850525), (1405, 14310315), (2529, 7950175), (4215, 4770105), (7025, 2862063), (12645, 1590035), (21075, 954021), (63225, 318007)]