20898610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 40065840

約数和(自身を除く): 19167230

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 269, 457, 538, 914, 1345, 2285, 2690, 4570, 4573, 7769, 9146, 15538, 22865, 38845, 45730, 77690, 122933, 245866, 614665, 1229330, 2089861, 4179722, 10449305, 20898610]

約数ペア:

[(1, 20898610), (2, 10449305), (5, 4179722), (10, 2089861), (17, 1229330), (34, 614665), (85, 245866), (170, 122933), (269, 77690), (457, 45730), (538, 38845), (914, 22865), (1345, 15538), (2285, 9146), (2690, 7769), (4570, 4573)]