20791545

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 34950144

約数和(自身を除く): 14158599

約数列:

[1, 3, 5, 15, 31, 61, 93, 155, 183, 305, 465, 733, 915, 1891, 2199, 3665, 5673, 9455, 10995, 22723, 28365, 44713, 68169, 113615, 134139, 223565, 340845, 670695, 1386103, 4158309, 6930515, 20791545]

約数ペア:

[(1, 20791545), (3, 6930515), (5, 4158309), (15, 1386103), (31, 670695), (61, 340845), (93, 223565), (155, 134139), (183, 113615), (305, 68169), (465, 44713), (733, 28365), (915, 22723), (1891, 10995), (2199, 9455), (3665, 5673)]