20921526

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{68371}}^1$

素因数の和:68396

約数の個数: 24

約数和(自身を含む): 47997144

約数和(自身を除く): 27075618

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 68371, 136742, 205113, 410226, 615339, 1162307, 1230678, 2324614, 3486921, 6973842, 10460763, 20921526]

約数ペア:

[(1, 20921526), (2, 10460763), (3, 6973842), (6, 3486921), (9, 2324614), (17, 1230678), (18, 1162307), (34, 615339), (51, 410226), (102, 205113), (153, 136742), (306, 68371)]