20436285

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 13847235

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 619, 1065, 1857, 2201, 3095, 6603, 9285, 11005, 19189, 33015, 43949, 57567, 95945, 131847, 219745, 287835, 659235, 1362419, 4087257, 6812095, 20436285]

約数ペア:

[(1, 20436285), (3, 6812095), (5, 4087257), (15, 1362419), (31, 659235), (71, 287835), (93, 219745), (155, 131847), (213, 95945), (355, 57567), (465, 43949), (619, 33015), (1065, 19189), (1857, 11005), (2201, 9285), (3095, 6603)]