20162961

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3517}}^1$

素因数の和:3550

約数の個数: 36

約数和(自身を含む): 36495732

約数和(自身を除く): 16332771

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 3517, 5733, 10551, 24619, 31653, 45721, 73857, 137163, 172333, 221571, 320047, 411489, 516999, 960141, 1550997, 2240329, 2880423, 6720987, 20162961]

約数ペア:

[(1, 20162961), (3, 6720987), (7, 2880423), (9, 2240329), (13, 1550997), (21, 960141), (39, 516999), (49, 411489), (63, 320047), (91, 221571), (117, 172333), (147, 137163), (273, 73857), (441, 45721), (637, 31653), (819, 24619), (1911, 10551), (3517, 5733)]