20005158

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 43323840

約数和(自身を除く): 23318682

約数列:

[1, 2, 3, 6, 17, 34, 51, 83, 102, 139, 166, 249, 278, 289, 417, 498, 578, 834, 867, 1411, 1734, 2363, 2822, 4233, 4726, 7089, 8466, 11537, 14178, 23074, 23987, 34611, 40171, 47974, 69222, 71961, 80342, 120513, 143922, 196129, 241026, 392258, 588387, 1176774, 3334193, 6668386, 10002579, 20005158]

約数ペア:

[(1, 20005158), (2, 10002579), (3, 6668386), (6, 3334193), (17, 1176774), (34, 588387), (51, 392258), (83, 241026), (102, 196129), (139, 143922), (166, 120513), (249, 80342), (278, 71961), (289, 69222), (417, 47974), (498, 40171), (578, 34611), (834, 23987), (867, 23074), (1411, 14178), (1734, 11537), (2363, 8466), (2822, 7089), (4233, 4726)]