20522493

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 30360096

約数和(自身を除く): 9837603

約数列:

[1, 3, 9, 101, 107, 211, 303, 321, 633, 909, 963, 1899, 10807, 21311, 22577, 32421, 63933, 67731, 97263, 191799, 203193, 2280277, 6840831, 20522493]

約数ペア:

[(1, 20522493), (3, 6840831), (9, 2280277), (101, 203193), (107, 191799), (211, 97263), (303, 67731), (321, 63933), (633, 32421), (909, 22577), (963, 21311), (1899, 10807)]