20185371

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1127

約数の個数: 24

約数和(自身を含む): 30551040

約数和(自身を除く): 10365669

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 1019, 2201, 3057, 6603, 9171, 19809, 31589, 72349, 94767, 217047, 284301, 651141, 2242819, 6728457, 20185371]

約数ペア:

[(1, 20185371), (3, 6728457), (9, 2242819), (31, 651141), (71, 284301), (93, 217047), (213, 94767), (279, 72349), (639, 31589), (1019, 19809), (2201, 9171), (3057, 6603)]