20176411275

素因数分解:

$3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{383}}^1\times {\mathrm{1709}}^1$

素因数の和:2245

約数の個数: 72

約数和(自身を含む): 36518376960

約数和(自身を除く): 16341965685

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 137, 225, 383, 411, 685, 1149, 1233, 1709, 1915, 2055, 3425, 3447, 5127, 5745, 6165, 8545, 9575, 10275, 15381, 17235, 25635, 28725, 30825, 42725, 52471, 76905, 86175, 128175, 157413, 234133, 262355, 384525, 472239, 654547, 702399, 787065, 1170665, 1311775, 1963641, 2107197, 2361195, 3272735, 3511995, 3935325, 5853325, 5890923, 9818205, 10535985, 11805975, 16363675, 17559975, 29454615, 49091025, 52679925, 89672939, 147273075, 269018817, 448364695, 807056451, 1345094085, 2241823475, 4035282255, 6725470425, 20176411275]

約数ペア:

[(1, 20176411275), (3, 6725470425), (5, 4035282255), (9, 2241823475), (15, 1345094085), (25, 807056451), (45, 448364695), (75, 269018817), (137, 147273075), (225, 89672939), (383, 52679925), (411, 49091025), (685, 29454615), (1149, 17559975), (1233, 16363675), (1709, 11805975), (1915, 10535985), (2055, 9818205), (3425, 5890923), (3447, 5853325), (5127, 3935325), (5745, 3511995), (6165, 3272735), (8545, 2361195), (9575, 2107197), (10275, 1963641), (15381, 1311775), (17235, 1170665), (25635, 787065), (28725, 702399), (30825, 654547), (42725, 472239), (52471, 384525), (76905, 262355), (86175, 234133), (128175, 157413)]