20051798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 13696042

約数列:

[1, 2, 13, 26, 47, 61, 94, 122, 269, 538, 611, 793, 1222, 1586, 2867, 3497, 5734, 6994, 12643, 16409, 25286, 32818, 37271, 74542, 164359, 213317, 328718, 426634, 771223, 1542446, 10025899, 20051798]

約数ペア:

[(1, 20051798), (2, 10025899), (13, 1542446), (26, 771223), (47, 426634), (61, 328718), (94, 213317), (122, 164359), (269, 74542), (538, 37271), (611, 32818), (793, 25286), (1222, 16409), (1586, 12643), (2867, 6994), (3497, 5734)]