20554755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4583}}^1$

素因数の和:4627

約数の個数: 32

約数和(自身を含む): 36965376

約数和(自身を除く): 16410621

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 4583, 13749, 22915, 59579, 68745, 105409, 178737, 297895, 316227, 527045, 893685, 1370317, 1581135, 4110951, 6851585, 20554755]

約数ペア:

[(1, 20554755), (3, 6851585), (5, 4110951), (13, 1581135), (15, 1370317), (23, 893685), (39, 527045), (65, 316227), (69, 297895), (115, 178737), (195, 105409), (299, 68745), (345, 59579), (897, 22915), (1495, 13749), (4485, 4583)]