20173161620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{769}}^1\times {\mathrm{15803}}^1$

素因数の和:16664

約数の個数: 48

約数和(自身を含む): 42932514240

約数和(自身を除く): 22759352620

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 769, 830, 1538, 1660, 3076, 3845, 7690, 15380, 15803, 31606, 63212, 63827, 79015, 127654, 158030, 255308, 316060, 319135, 638270, 1276540, 1311649, 2623298, 5246596, 6558245, 12152507, 13116490, 24305014, 26232980, 48610028, 60762535, 121525070, 243050140, 1008658081, 2017316162, 4034632324, 5043290405, 10086580810, 20173161620]

約数ペア:

[(1, 20173161620), (2, 10086580810), (4, 5043290405), (5, 4034632324), (10, 2017316162), (20, 1008658081), (83, 243050140), (166, 121525070), (332, 60762535), (415, 48610028), (769, 26232980), (830, 24305014), (1538, 13116490), (1660, 12152507), (3076, 6558245), (3845, 5246596), (7690, 2623298), (15380, 1311649), (15803, 1276540), (31606, 638270), (63212, 319135), (63827, 316060), (79015, 255308), (127654, 158030)]