20844425900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{201007}}^1$

素因数の和:201099

約数の個数: 72

約数和(自身を含む): 48678509376

約数和(自身を除く): 27834083476

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 61, 68, 85, 100, 122, 170, 244, 305, 340, 425, 610, 850, 1037, 1220, 1525, 1700, 2074, 3050, 4148, 5185, 6100, 10370, 20740, 25925, 51850, 103700, 201007, 402014, 804028, 1005035, 2010070, 3417119, 4020140, 5025175, 6834238, 10050350, 12261427, 13668476, 17085595, 20100700, 24522854, 34171190, 49045708, 61307135, 68342380, 85427975, 122614270, 170855950, 208444259, 245228540, 306535675, 341711900, 416888518, 613071350, 833777036, 1042221295, 1226142700, 2084442590, 4168885180, 5211106475, 10422212950, 20844425900]

約数ペア:

[(1, 20844425900), (2, 10422212950), (4, 5211106475), (5, 4168885180), (10, 2084442590), (17, 1226142700), (20, 1042221295), (25, 833777036), (34, 613071350), (50, 416888518), (61, 341711900), (68, 306535675), (85, 245228540), (100, 208444259), (122, 170855950), (170, 122614270), (244, 85427975), (305, 68342380), (340, 61307135), (425, 49045708), (610, 34171190), (850, 24522854), (1037, 20100700), (1220, 17085595), (1525, 13668476), (1700, 12261427), (2074, 10050350), (3050, 6834238), (4148, 5025175), (5185, 4020140), (6100, 3417119), (10370, 2010070), (20740, 1005035), (25925, 804028), (51850, 402014), (103700, 201007)]