20706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:58

約数の個数: 32

約数和(自身を含む): 51840

約数和(自身を除く): 31134

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 29, 34, 42, 51, 58, 87, 102, 119, 174, 203, 238, 357, 406, 493, 609, 714, 986, 1218, 1479, 2958, 3451, 6902, 10353, 20706]

約数ペア:

[(1, 20706), (2, 10353), (3, 6902), (6, 3451), (7, 2958), (14, 1479), (17, 1218), (21, 986), (29, 714), (34, 609), (42, 493), (51, 406), (58, 357), (87, 238), (102, 203), (119, 174)]