20664270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20873}}^1$

素因数の和:20897

約数の個数: 48

約数和(自身を含む): 58614192

約数和(自身を除く): 37949922

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20873, 41746, 62619, 104365, 125238, 187857, 208730, 229603, 313095, 375714, 459206, 626190, 688809, 939285, 1148015, 1377618, 1878570, 2066427, 2296030, 3444045, 4132854, 6888090, 10332135, 20664270]

約数ペア:

[(1, 20664270), (2, 10332135), (3, 6888090), (5, 4132854), (6, 3444045), (9, 2296030), (10, 2066427), (11, 1878570), (15, 1377618), (18, 1148015), (22, 939285), (30, 688809), (33, 626190), (45, 459206), (55, 375714), (66, 313095), (90, 229603), (99, 208730), (110, 187857), (165, 125238), (198, 104365), (330, 62619), (495, 41746), (990, 20873)]