20377755

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1879}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 35486880

約数和(自身を除く): 15109125

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 1879, 2169, 3615, 5637, 9395, 10845, 16911, 28185, 84555, 452839, 1358517, 2264195, 4075551, 6792585, 20377755]

約数ペア:

[(1, 20377755), (3, 6792585), (5, 4075551), (9, 2264195), (15, 1358517), (45, 452839), (241, 84555), (723, 28185), (1205, 16911), (1879, 10845), (2169, 9395), (3615, 5637)]