20521770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4591}}^1$

素因数の和:4750

約数の個数: 32

約数和(自身を含む): 49593600

約数和(自身を除く): 29071830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 149, 298, 447, 745, 894, 1490, 2235, 4470, 4591, 9182, 13773, 22955, 27546, 45910, 68865, 137730, 684059, 1368118, 2052177, 3420295, 4104354, 6840590, 10260885, 20521770]

約数ペア:

[(1, 20521770), (2, 10260885), (3, 6840590), (5, 4104354), (6, 3420295), (10, 2052177), (15, 1368118), (30, 684059), (149, 137730), (298, 68865), (447, 45910), (745, 27546), (894, 22955), (1490, 13773), (2235, 9182), (4470, 4591)]