20073585

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18536847

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 105, 147, 155, 217, 245, 465, 651, 735, 881, 1085, 1519, 2643, 3255, 4405, 4557, 6167, 7595, 13215, 18501, 22785, 27311, 30835, 43169, 81933, 92505, 129507, 136555, 191177, 215845, 409665, 573531, 647535, 955885, 1338239, 2867655, 4014717, 6691195, 20073585]

約数ペア:

[(1, 20073585), (3, 6691195), (5, 4014717), (7, 2867655), (15, 1338239), (21, 955885), (31, 647535), (35, 573531), (49, 409665), (93, 215845), (105, 191177), (147, 136555), (155, 129507), (217, 92505), (245, 81933), (465, 43169), (651, 30835), (735, 27311), (881, 22785), (1085, 18501), (1519, 13215), (2643, 7595), (3255, 6167), (4405, 4557)]