20105868

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 48426336

約数和(自身を除く): 28320468

約数列:

[1, 2, 3, 4, 6, 12, 53, 101, 106, 159, 202, 212, 303, 313, 318, 404, 606, 626, 636, 939, 1212, 1252, 1878, 3756, 5353, 10706, 16059, 16589, 21412, 31613, 32118, 33178, 49767, 63226, 64236, 66356, 94839, 99534, 126452, 189678, 199068, 379356, 1675489, 3350978, 5026467, 6701956, 10052934, 20105868]

約数ペア:

[(1, 20105868), (2, 10052934), (3, 6701956), (4, 5026467), (6, 3350978), (12, 1675489), (53, 379356), (101, 199068), (106, 189678), (159, 126452), (202, 99534), (212, 94839), (303, 66356), (313, 64236), (318, 63226), (404, 49767), (606, 33178), (626, 32118), (636, 31613), (939, 21412), (1212, 16589), (1252, 16059), (1878, 10706), (3756, 5353)]