20518404

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2903}}^1$

素因数の和:2960

約数の個数: 48

約数和(自身を含む): 52039680

約数和(自身を除く): 31521276

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 186, 228, 372, 589, 1178, 1767, 2356, 2903, 3534, 5806, 7068, 8709, 11612, 17418, 34836, 55157, 89993, 110314, 165471, 179986, 220628, 269979, 330942, 359972, 539958, 661884, 1079916, 1709867, 3419734, 5129601, 6839468, 10259202, 20518404]

約数ペア:

[(1, 20518404), (2, 10259202), (3, 6839468), (4, 5129601), (6, 3419734), (12, 1709867), (19, 1079916), (31, 661884), (38, 539958), (57, 359972), (62, 330942), (76, 269979), (93, 220628), (114, 179986), (124, 165471), (186, 110314), (228, 89993), (372, 55157), (589, 34836), (1178, 17418), (1767, 11612), (2356, 8709), (2903, 7068), (3534, 5806)]