20684344900

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{569}}^1\times {\mathrm{3217}}^1$

素因数の和:3913

約数の個数: 72

約数和(自身を含む): 45375923880

約数和(自身を除く): 24691578980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 569, 1130, 1138, 2260, 2276, 2825, 2845, 3217, 5650, 5690, 6434, 11300, 11380, 12868, 14225, 16085, 28450, 32170, 56900, 64297, 64340, 80425, 128594, 160850, 257188, 321485, 321700, 363521, 642970, 727042, 1285940, 1454084, 1607425, 1817605, 1830473, 3214850, 3635210, 3660946, 6429700, 7270420, 7321892, 9088025, 9152365, 18176050, 18304730, 36352100, 36609460, 45761825, 91523650, 183047300, 206843449, 413686898, 827373796, 1034217245, 2068434490, 4136868980, 5171086225, 10342172450, 20684344900]

約数ペア:

[(1, 20684344900), (2, 10342172450), (4, 5171086225), (5, 4136868980), (10, 2068434490), (20, 1034217245), (25, 827373796), (50, 413686898), (100, 206843449), (113, 183047300), (226, 91523650), (452, 45761825), (565, 36609460), (569, 36352100), (1130, 18304730), (1138, 18176050), (2260, 9152365), (2276, 9088025), (2825, 7321892), (2845, 7270420), (3217, 6429700), (5650, 3660946), (5690, 3635210), (6434, 3214850), (11300, 1830473), (11380, 1817605), (12868, 1607425), (14225, 1454084), (16085, 1285940), (28450, 727042), (32170, 642970), (56900, 363521), (64297, 321700), (64340, 321485), (80425, 257188), (128594, 160850)]