20195480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26573}}^1$

素因数の和:26603

約数の個数: 32

約数和(自身を含む): 47833200

約数和(自身を除く): 27637720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26573, 53146, 106292, 132865, 212584, 265730, 504887, 531460, 1009774, 1062920, 2019548, 2524435, 4039096, 5048870, 10097740, 20195480]

約数ペア:

[(1, 20195480), (2, 10097740), (4, 5048870), (5, 4039096), (8, 2524435), (10, 2019548), (19, 1062920), (20, 1009774), (38, 531460), (40, 504887), (76, 265730), (95, 212584), (152, 132865), (190, 106292), (380, 53146), (760, 26573)]