16825420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 37416960

約数和(自身を除く): 20591540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 463, 790, 926, 1580, 1817, 1852, 2315, 3634, 4630, 7268, 9085, 9260, 10649, 18170, 21298, 36340, 36577, 42596, 53245, 73154, 106490, 146308, 182885, 212980, 365770, 731540, 841271, 1682542, 3365084, 4206355, 8412710, 16825420]

約数ペア:

[(1, 16825420), (2, 8412710), (4, 4206355), (5, 3365084), (10, 1682542), (20, 841271), (23, 731540), (46, 365770), (79, 212980), (92, 182885), (115, 146308), (158, 106490), (230, 73154), (316, 53245), (395, 42596), (460, 36577), (463, 36340), (790, 21298), (926, 18170), (1580, 10649), (1817, 9260), (1852, 9085), (2315, 7268), (3634, 4630)]