20115468

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3559}}^1$

素因数の和:3726

約数の個数: 36

約数和(自身を含む): 51185680

約数和(自身を除く): 31070212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3559, 5652, 7118, 10677, 14236, 21354, 32031, 42708, 64062, 128124, 558763, 1117526, 1676289, 2235052, 3352578, 5028867, 6705156, 10057734, 20115468]

約数ペア:

[(1, 20115468), (2, 10057734), (3, 6705156), (4, 5028867), (6, 3352578), (9, 2235052), (12, 1676289), (18, 1117526), (36, 558763), (157, 128124), (314, 64062), (471, 42708), (628, 32031), (942, 21354), (1413, 14236), (1884, 10677), (2826, 7118), (3559, 5652)]