20355828

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 50029056

約数和(自身を除く): 29673228

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 131, 138, 262, 276, 393, 524, 563, 786, 1126, 1572, 1689, 2252, 3013, 3378, 6026, 6756, 9039, 12052, 12949, 18078, 25898, 36156, 38847, 51796, 73753, 77694, 147506, 155388, 221259, 295012, 442518, 885036, 1696319, 3392638, 5088957, 6785276, 10177914, 20355828]

約数ペア:

[(1, 20355828), (2, 10177914), (3, 6785276), (4, 5088957), (6, 3392638), (12, 1696319), (23, 885036), (46, 442518), (69, 295012), (92, 221259), (131, 155388), (138, 147506), (262, 77694), (276, 73753), (393, 51796), (524, 38847), (563, 36156), (786, 25898), (1126, 18078), (1572, 12949), (1689, 12052), (2252, 9039), (3013, 6756), (3378, 6026)]