20682376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 25584824

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 101, 104, 143, 179, 202, 286, 358, 404, 572, 716, 808, 1111, 1144, 1313, 1432, 1969, 2222, 2327, 2626, 3938, 4444, 4654, 5252, 7876, 8888, 9308, 10504, 14443, 15752, 18079, 18616, 25597, 28886, 36158, 51194, 57772, 72316, 102388, 115544, 144632, 198869, 204776, 235027, 397738, 470054, 795476, 940108, 1590952, 1880216, 2585297, 5170594, 10341188, 20682376]

約数ペア:

[(1, 20682376), (2, 10341188), (4, 5170594), (8, 2585297), (11, 1880216), (13, 1590952), (22, 940108), (26, 795476), (44, 470054), (52, 397738), (88, 235027), (101, 204776), (104, 198869), (143, 144632), (179, 115544), (202, 102388), (286, 72316), (358, 57772), (404, 51194), (572, 36158), (716, 28886), (808, 25597), (1111, 18616), (1144, 18079), (1313, 15752), (1432, 14443), (1969, 10504), (2222, 9308), (2327, 8888), (2626, 7876), (3938, 5252), (4444, 4654)]