20233455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{823}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 35596800

約数和(自身を除く): 15363345

約数列:

[1, 3, 5, 11, 15, 33, 55, 149, 165, 447, 745, 823, 1639, 2235, 2469, 4115, 4917, 8195, 9053, 12345, 24585, 27159, 45265, 122627, 135795, 367881, 613135, 1348897, 1839405, 4046691, 6744485, 20233455]

約数ペア:

[(1, 20233455), (3, 6744485), (5, 4046691), (11, 1839405), (15, 1348897), (33, 613135), (55, 367881), (149, 135795), (165, 122627), (447, 45265), (745, 27159), (823, 24585), (1639, 12345), (2235, 9053), (2469, 8195), (4115, 4917)]