20955660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31751}}^1$

素因数の和:31774

約数の個数: 48

約数和(自身を含む): 64012032

約数和(自身を除く): 43056372

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31751, 63502, 95253, 127004, 158755, 190506, 317510, 349261, 381012, 476265, 635020, 698522, 952530, 1047783, 1397044, 1746305, 1905060, 2095566, 3492610, 4191132, 5238915, 6985220, 10477830, 20955660]

約数ペア:

[(1, 20955660), (2, 10477830), (3, 6985220), (4, 5238915), (5, 4191132), (6, 3492610), (10, 2095566), (11, 1905060), (12, 1746305), (15, 1397044), (20, 1047783), (22, 952530), (30, 698522), (33, 635020), (44, 476265), (55, 381012), (60, 349261), (66, 317510), (110, 190506), (132, 158755), (165, 127004), (220, 95253), (330, 63502), (660, 31751)]