20977902

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1049}}^1$

素因数の和:1169

約数の個数: 48

約数和(自身を含む): 50122800

約数和(自身を除く): 29144898

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 101, 198, 202, 303, 606, 909, 1049, 1111, 1818, 2098, 2222, 3147, 3333, 6294, 6666, 9441, 9999, 11539, 18882, 19998, 23078, 34617, 69234, 103851, 105949, 207702, 211898, 317847, 635694, 953541, 1165439, 1907082, 2330878, 3496317, 6992634, 10488951, 20977902]

約数ペア:

[(1, 20977902), (2, 10488951), (3, 6992634), (6, 3496317), (9, 2330878), (11, 1907082), (18, 1165439), (22, 953541), (33, 635694), (66, 317847), (99, 211898), (101, 207702), (198, 105949), (202, 103851), (303, 69234), (606, 34617), (909, 23078), (1049, 19998), (1111, 18882), (1818, 11539), (2098, 9999), (2222, 9441), (3147, 6666), (3333, 6294)]