20043045

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1$

素因数の和:448

約数の個数: 60

約数和(自身を含む): 39588780

約数和(自身を除く): 19545735

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 121, 135, 165, 297, 363, 405, 409, 495, 605, 891, 1089, 1227, 1485, 1815, 2045, 3267, 3681, 4455, 4499, 5445, 6135, 9801, 11043, 13497, 16335, 18405, 22495, 33129, 40491, 49005, 49489, 55215, 67485, 121473, 148467, 165645, 202455, 247445, 364419, 445401, 607365, 742335, 1336203, 1822095, 2227005, 4008609, 6681015, 20043045]

約数ペア:

[(1, 20043045), (3, 6681015), (5, 4008609), (9, 2227005), (11, 1822095), (15, 1336203), (27, 742335), (33, 607365), (45, 445401), (55, 364419), (81, 247445), (99, 202455), (121, 165645), (135, 148467), (165, 121473), (297, 67485), (363, 55215), (405, 49489), (409, 49005), (495, 40491), (605, 33129), (891, 22495), (1089, 18405), (1227, 16335), (1485, 13497), (1815, 11043), (2045, 9801), (3267, 6135), (3681, 5445), (4455, 4499)]