20604540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31219}}^1$

素因数の和:31242

約数の個数: 48

約数和(自身を含む): 62939520

約数和(自身を除く): 42334980

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, 31219, 62438, 93657, 124876, 156095, 187314, 312190, 343409, 374628, 468285, 624380, 686818, 936570, 1030227, 1373636, 1717045, 1873140, 2060454, 3434090, 4120908, 5151135, 6868180, 10302270, 20604540]

約数ペア:

[(1, 20604540), (2, 10302270), (3, 6868180), (4, 5151135), (5, 4120908), (6, 3434090), (10, 2060454), (11, 1873140), (12, 1717045), (15, 1373636), (20, 1030227), (22, 936570), (30, 686818), (33, 624380), (44, 468285), (55, 374628), (60, 343409), (66, 312190), (110, 187314), (132, 156095), (165, 124876), (220, 93657), (330, 62438), (660, 31219)]