20742858

素因数分解:

$2^1\times 3^3\times {\mathrm{281}}^1\times {\mathrm{1367}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 46293120

約数和(自身を除く): 25550262

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 281, 562, 843, 1367, 1686, 2529, 2734, 4101, 5058, 7587, 8202, 12303, 15174, 24606, 36909, 73818, 384127, 768254, 1152381, 2304762, 3457143, 6914286, 10371429, 20742858]

約数ペア:

[(1, 20742858), (2, 10371429), (3, 6914286), (6, 3457143), (9, 2304762), (18, 1152381), (27, 768254), (54, 384127), (281, 73818), (562, 36909), (843, 24606), (1367, 15174), (1686, 12303), (2529, 8202), (2734, 7587), (4101, 5058)]