20947410

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2351}}^1$

素因数の和:2381

約数の個数: 80

約数和(自身を含む): 61471872

約数和(自身を除く): 40524462

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2351, 2970, 4455, 4702, 7053, 8910, 11755, 14106, 21159, 23510, 25861, 35265, 42318, 51722, 63477, 70530, 77583, 105795, 126954, 129305, 155166, 190431, 211590, 232749, 258610, 317385, 380862, 387915, 465498, 634770, 698247, 775830, 952155, 1163745, 1396494, 1904310, 2094741, 2327490, 3491235, 4189482, 6982470, 10473705, 20947410]

約数ペア:

[(1, 20947410), (2, 10473705), (3, 6982470), (5, 4189482), (6, 3491235), (9, 2327490), (10, 2094741), (11, 1904310), (15, 1396494), (18, 1163745), (22, 952155), (27, 775830), (30, 698247), (33, 634770), (45, 465498), (54, 387915), (55, 380862), (66, 317385), (81, 258610), (90, 232749), (99, 211590), (110, 190431), (135, 155166), (162, 129305), (165, 126954), (198, 105795), (270, 77583), (297, 70530), (330, 63477), (405, 51722), (495, 42318), (594, 35265), (810, 25861), (891, 23510), (990, 21159), (1485, 14106), (1782, 11755), (2351, 8910), (2970, 7053), (4455, 4702)]