12820618

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:618

約数の個数: 24

約数和(自身を含む): 20965644

約数和(自身を除く): 8145026

約数列:

[1, 2, 17, 34, 41, 82, 289, 541, 578, 697, 1082, 1394, 9197, 11849, 18394, 22181, 23698, 44362, 156349, 312698, 377077, 754154, 6410309, 12820618]

約数ペア:

[(1, 12820618), (2, 6410309), (17, 754154), (34, 377077), (41, 312698), (82, 156349), (289, 44362), (541, 23698), (578, 22181), (697, 18394), (1082, 11849), (1394, 9197)]