20043738

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{599}}^1$

素因数の和:644

約数の個数: 72

約数和(自身を含む): 51386400

約数和(自身を除く): 31342662

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 169, 198, 234, 286, 338, 429, 507, 599, 858, 1014, 1198, 1287, 1521, 1797, 1859, 2574, 3042, 3594, 3718, 5391, 5577, 6589, 7787, 10782, 11154, 13178, 15574, 16731, 19767, 23361, 33462, 39534, 46722, 59301, 70083, 85657, 101231, 118602, 140166, 171314, 202462, 256971, 303693, 513942, 607386, 770913, 911079, 1113541, 1541826, 1822158, 2227082, 3340623, 6681246, 10021869, 20043738]

約数ペア:

[(1, 20043738), (2, 10021869), (3, 6681246), (6, 3340623), (9, 2227082), (11, 1822158), (13, 1541826), (18, 1113541), (22, 911079), (26, 770913), (33, 607386), (39, 513942), (66, 303693), (78, 256971), (99, 202462), (117, 171314), (143, 140166), (169, 118602), (198, 101231), (234, 85657), (286, 70083), (338, 59301), (429, 46722), (507, 39534), (599, 33462), (858, 23361), (1014, 19767), (1198, 16731), (1287, 15574), (1521, 13178), (1797, 11154), (1859, 10782), (2574, 7787), (3042, 6589), (3594, 5577), (3718, 5391)]