20165448900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{709}}^1\times {\mathrm{839}}^1$

素因数の和:1678

約数の個数: 144

約数和(自身を含む): 59014972800

約数和(自身を除く): 38849523900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 113, 150, 226, 300, 339, 452, 565, 678, 709, 839, 1130, 1356, 1418, 1678, 1695, 2127, 2260, 2517, 2825, 2836, 3356, 3390, 3545, 4195, 4254, 5034, 5650, 6780, 7090, 8390, 8475, 8508, 10068, 10635, 11300, 12585, 14180, 16780, 16950, 17725, 20975, 21270, 25170, 33900, 35450, 41950, 42540, 50340, 53175, 62925, 70900, 80117, 83900, 94807, 106350, 125850, 160234, 189614, 212700, 240351, 251700, 284421, 320468, 379228, 400585, 474035, 480702, 568842, 594851, 801170, 948070, 961404, 1137684, 1189702, 1201755, 1422105, 1602340, 1784553, 1896140, 2002925, 2370175, 2379404, 2403510, 2844210, 2974255, 3569106, 4005850, 4740350, 4807020, 5688420, 5948510, 6008775, 7110525, 7138212, 8011700, 8922765, 9480700, 11897020, 12017550, 14221050, 14871275, 17845530, 24035100, 28442100, 29742550, 35691060, 44613825, 59485100, 67218163, 89227650, 134436326, 178455300, 201654489, 268872652, 336090815, 403308978, 672181630, 806617956, 1008272445, 1344363260, 1680454075, 2016544890, 3360908150, 4033089780, 5041362225, 6721816300, 10082724450, 20165448900]

約数ペア:

[(1, 20165448900), (2, 10082724450), (3, 6721816300), (4, 5041362225), (5, 4033089780), (6, 3360908150), (10, 2016544890), (12, 1680454075), (15, 1344363260), (20, 1008272445), (25, 806617956), (30, 672181630), (50, 403308978), (60, 336090815), (75, 268872652), (100, 201654489), (113, 178455300), (150, 134436326), (226, 89227650), (300, 67218163), (339, 59485100), (452, 44613825), (565, 35691060), (678, 29742550), (709, 28442100), (839, 24035100), (1130, 17845530), (1356, 14871275), (1418, 14221050), (1678, 12017550), (1695, 11897020), (2127, 9480700), (2260, 8922765), (2517, 8011700), (2825, 7138212), (2836, 7110525), (3356, 6008775), (3390, 5948510), (3545, 5688420), (4195, 4807020), (4254, 4740350), (5034, 4005850), (5650, 3569106), (6780, 2974255), (7090, 2844210), (8390, 2403510), (8475, 2379404), (8508, 2370175), (10068, 2002925), (10635, 1896140), (11300, 1784553), (12585, 1602340), (14180, 1422105), (16780, 1201755), (16950, 1189702), (17725, 1137684), (20975, 961404), (21270, 948070), (25170, 801170), (33900, 594851), (35450, 568842), (41950, 480702), (42540, 474035), (50340, 400585), (53175, 379228), (62925, 320468), (70900, 284421), (80117, 251700), (83900, 240351), (94807, 212700), (106350, 189614), (125850, 160234)]