20542170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5659}}^1$

素因数の和:5691

約数の個数: 48

約数和(自身を含む): 54200160

約数和(自身を除く): 33657990

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 363, 605, 726, 1210, 1815, 3630, 5659, 11318, 16977, 28295, 33954, 56590, 62249, 84885, 124498, 169770, 186747, 311245, 373494, 622490, 684739, 933735, 1369478, 1867470, 2054217, 3423695, 4108434, 6847390, 10271085, 20542170]

約数ペア:

[(1, 20542170), (2, 10271085), (3, 6847390), (5, 4108434), (6, 3423695), (10, 2054217), (11, 1867470), (15, 1369478), (22, 933735), (30, 684739), (33, 622490), (55, 373494), (66, 311245), (110, 186747), (121, 169770), (165, 124498), (242, 84885), (330, 62249), (363, 56590), (605, 33954), (726, 28295), (1210, 16977), (1815, 11318), (3630, 5659)]