20153193975

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^2\times {\mathrm{169319}}^1$

素因数の和:169381

約数の個数: 54

約数和(自身を含む): 37734485880

約数和(自身を除く): 17581291905

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 529, 575, 1035, 1587, 1725, 2645, 4761, 5175, 7935, 13225, 23805, 39675, 119025, 169319, 507957, 846595, 1523871, 2539785, 3894337, 4232975, 7619355, 11683011, 12698925, 19471685, 35049033, 38096775, 58415055, 89569751, 97358425, 175245165, 268709253, 292075275, 447848755, 806127759, 876225825, 1343546265, 2239243775, 4030638795, 6717731325, 20153193975]

約数ペア:

[(1, 20153193975), (3, 6717731325), (5, 4030638795), (9, 2239243775), (15, 1343546265), (23, 876225825), (25, 806127759), (45, 447848755), (69, 292075275), (75, 268709253), (115, 175245165), (207, 97358425), (225, 89569751), (345, 58415055), (529, 38096775), (575, 35049033), (1035, 19471685), (1587, 12698925), (1725, 11683011), (2645, 7619355), (4761, 4232975), (5175, 3894337), (7935, 2539785), (13225, 1523871), (23805, 846595), (39675, 507957), (119025, 169319)]