20886450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10711}}^1$

素因数の和:10739

約数の個数: 48

約数和(自身を含む): 55788096

約数和(自身を除く): 34901646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10711, 21422, 32133, 53555, 64266, 107110, 139243, 160665, 267775, 278486, 321330, 417729, 535550, 696215, 803325, 835458, 1392430, 1606650, 2088645, 3481075, 4177290, 6962150, 10443225, 20886450]

約数ペア:

[(1, 20886450), (2, 10443225), (3, 6962150), (5, 4177290), (6, 3481075), (10, 2088645), (13, 1606650), (15, 1392430), (25, 835458), (26, 803325), (30, 696215), (39, 535550), (50, 417729), (65, 321330), (75, 278486), (78, 267775), (130, 160665), (150, 139243), (195, 107110), (325, 64266), (390, 53555), (650, 32133), (975, 21422), (1950, 10711)]