20939406

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2213}}^1$

素因数の和:2320

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 23694834

約数列:

[1, 2, 3, 6, 19, 38, 57, 83, 114, 166, 249, 498, 1577, 2213, 3154, 4426, 4731, 6639, 9462, 13278, 42047, 84094, 126141, 183679, 252282, 367358, 551037, 1102074, 3489901, 6979802, 10469703, 20939406]

約数ペア:

[(1, 20939406), (2, 10469703), (3, 6979802), (6, 3489901), (19, 1102074), (38, 551037), (57, 367358), (83, 252282), (114, 183679), (166, 126141), (249, 84094), (498, 42047), (1577, 13278), (2213, 9462), (3154, 6639), (4426, 4731)]