20897082

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10459}}^1$

素因数の和:10507

約数の個数: 32

約数和(自身を含む): 47697600

約数和(自身を除く): 26800518

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10459, 20918, 31377, 62754, 94131, 188262, 282393, 386983, 564786, 773966, 1160949, 2321898, 3482847, 6965694, 10448541, 20897082]

約数ペア:

[(1, 20897082), (2, 10448541), (3, 6965694), (6, 3482847), (9, 2321898), (18, 1160949), (27, 773966), (37, 564786), (54, 386983), (74, 282393), (111, 188262), (222, 94131), (333, 62754), (666, 31377), (999, 20918), (1998, 10459)]