20341305

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 38176320

約数和(自身を除く): 17835015

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 95, 111, 171, 185, 285, 333, 555, 643, 703, 855, 1665, 1929, 2109, 3215, 3515, 5787, 6327, 9645, 10545, 12217, 23791, 28935, 31635, 36651, 61085, 71373, 109953, 118955, 183255, 214119, 356865, 452029, 549765, 1070595, 1356087, 2260145, 4068261, 6780435, 20341305]

約数ペア:

[(1, 20341305), (3, 6780435), (5, 4068261), (9, 2260145), (15, 1356087), (19, 1070595), (37, 549765), (45, 452029), (57, 356865), (95, 214119), (111, 183255), (171, 118955), (185, 109953), (285, 71373), (333, 61085), (555, 36651), (643, 31635), (703, 28935), (855, 23791), (1665, 12217), (1929, 10545), (2109, 9645), (3215, 6327), (3515, 5787)]