20842017

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 34099200

約数和(自身を除く): 13257183

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 739, 1343, 1659, 2217, 4029, 5173, 9401, 12563, 15519, 28203, 37689, 58381, 87941, 175143, 263823, 408667, 992477, 1226001, 2977431, 6947339, 20842017]

約数ペア:

[(1, 20842017), (3, 6947339), (7, 2977431), (17, 1226001), (21, 992477), (51, 408667), (79, 263823), (119, 175143), (237, 87941), (357, 58381), (553, 37689), (739, 28203), (1343, 15519), (1659, 12563), (2217, 9401), (4029, 5173)]