20820002

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12497}}^1$

素因数の和:12530

約数の個数: 24

約数和(自身を含む): 38468844

約数和(自身を除く): 17648842

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12497, 24994, 87479, 174958, 212449, 424898, 612353, 1224706, 1487143, 2974286, 10410001, 20820002]

約数ペア:

[(1, 20820002), (2, 10410001), (7, 2974286), (14, 1487143), (17, 1224706), (34, 612353), (49, 424898), (98, 212449), (119, 174958), (238, 87479), (833, 24994), (1666, 12497)]