20705190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{62743}}^1$

素因数の和:62764

約数の個数: 32

約数和(自身を含む): 54210816

約数和(自身を除く): 33505626

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 62743, 125486, 188229, 313715, 376458, 627430, 690173, 941145, 1380346, 1882290, 2070519, 3450865, 4141038, 6901730, 10352595, 20705190]

約数ペア:

[(1, 20705190), (2, 10352595), (3, 6901730), (5, 4141038), (6, 3450865), (10, 2070519), (11, 1882290), (15, 1380346), (22, 941145), (30, 690173), (33, 627430), (55, 376458), (66, 313715), (110, 188229), (165, 125486), (330, 62743)]