20173965100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{116009}}^1$

素因数の和:116107

約数の個数: 72

約数和(自身を含む): 45917686080

約数和(自身を除く): 25743720980

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 47, 50, 74, 94, 100, 148, 185, 188, 235, 370, 470, 740, 925, 940, 1175, 1739, 1850, 2350, 3478, 3700, 4700, 6956, 8695, 17390, 34780, 43475, 86950, 116009, 173900, 232018, 464036, 580045, 1160090, 2320180, 2900225, 4292333, 5452423, 5800450, 8584666, 10904846, 11600900, 17169332, 21461665, 21809692, 27262115, 42923330, 54524230, 85846660, 107308325, 109048460, 136310575, 201739651, 214616650, 272621150, 403479302, 429233300, 545242300, 806958604, 1008698255, 2017396510, 4034793020, 5043491275, 10086982550, 20173965100]

約数ペア:

[(1, 20173965100), (2, 10086982550), (4, 5043491275), (5, 4034793020), (10, 2017396510), (20, 1008698255), (25, 806958604), (37, 545242300), (47, 429233300), (50, 403479302), (74, 272621150), (94, 214616650), (100, 201739651), (148, 136310575), (185, 109048460), (188, 107308325), (235, 85846660), (370, 54524230), (470, 42923330), (740, 27262115), (925, 21809692), (940, 21461665), (1175, 17169332), (1739, 11600900), (1850, 10904846), (2350, 8584666), (3478, 5800450), (3700, 5452423), (4700, 4292333), (6956, 2900225), (8695, 2320180), (17390, 1160090), (34780, 580045), (43475, 464036), (86950, 232018), (116009, 173900)]