20173443975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1723}}^1\times {\mathrm{3061}}^1$

素因数の和:4817

約数の個数: 72

約数和(自身を含む): 38293053552

約数和(自身を除く): 18119609577

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 1723, 3061, 3825, 5169, 8615, 9183, 15305, 15507, 25845, 27549, 29291, 43075, 45915, 52037, 76525, 77535, 87873, 129225, 137745, 146455, 156111, 229575, 260185, 263619, 387675, 439365, 468333, 688725, 732275, 780555, 1300925, 1318095, 2196825, 2341665, 3902775, 5274103, 6590475, 11708325, 15822309, 26370515, 47466927, 79111545, 89659751, 131852575, 237334635, 268979253, 395557725, 448298755, 806937759, 1186673175, 1344896265, 2241493775, 4034688795, 6724481325, 20173443975]

約数ペア:

[(1, 20173443975), (3, 6724481325), (5, 4034688795), (9, 2241493775), (15, 1344896265), (17, 1186673175), (25, 806937759), (45, 448298755), (51, 395557725), (75, 268979253), (85, 237334635), (153, 131852575), (225, 89659751), (255, 79111545), (425, 47466927), (765, 26370515), (1275, 15822309), (1723, 11708325), (3061, 6590475), (3825, 5274103), (5169, 3902775), (8615, 2341665), (9183, 2196825), (15305, 1318095), (15507, 1300925), (25845, 780555), (27549, 732275), (29291, 688725), (43075, 468333), (45915, 439365), (52037, 387675), (76525, 263619), (77535, 260185), (87873, 229575), (129225, 156111), (137745, 146455)]