20341400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 51224400

約数和(自身を除く): 30883000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 53, 76, 95, 100, 101, 106, 152, 190, 200, 202, 212, 265, 380, 404, 424, 475, 505, 530, 760, 808, 950, 1007, 1010, 1060, 1325, 1900, 1919, 2014, 2020, 2120, 2525, 2650, 3800, 3838, 4028, 4040, 5035, 5050, 5300, 5353, 7676, 8056, 9595, 10070, 10100, 10600, 10706, 15352, 19190, 20140, 20200, 21412, 25175, 26765, 38380, 40280, 42824, 47975, 50350, 53530, 76760, 95950, 100700, 101707, 107060, 133825, 191900, 201400, 203414, 214120, 267650, 383800, 406828, 508535, 535300, 813656, 1017070, 1070600, 2034140, 2542675, 4068280, 5085350, 10170700, 20341400]

約数ペア:

[(1, 20341400), (2, 10170700), (4, 5085350), (5, 4068280), (8, 2542675), (10, 2034140), (19, 1070600), (20, 1017070), (25, 813656), (38, 535300), (40, 508535), (50, 406828), (53, 383800), (76, 267650), (95, 214120), (100, 203414), (101, 201400), (106, 191900), (152, 133825), (190, 107060), (200, 101707), (202, 100700), (212, 95950), (265, 76760), (380, 53530), (404, 50350), (424, 47975), (475, 42824), (505, 40280), (530, 38380), (760, 26765), (808, 25175), (950, 21412), (1007, 20200), (1010, 20140), (1060, 19190), (1325, 15352), (1900, 10706), (1919, 10600), (2014, 10100), (2020, 10070), (2120, 9595), (2525, 8056), (2650, 7676), (3800, 5353), (3838, 5300), (4028, 5050), (4040, 5035)]