20005937050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{36779}}^1$

素因数の和:36868

約数の個数: 96

約数和(自身を含む): 43345082880

約数和(自身を除く): 23339145830

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 43, 46, 50, 55, 86, 110, 115, 215, 230, 253, 275, 430, 473, 506, 550, 575, 946, 989, 1075, 1150, 1265, 1978, 2150, 2365, 2530, 4730, 4945, 6325, 9890, 10879, 11825, 12650, 21758, 23650, 24725, 36779, 49450, 54395, 73558, 108790, 183895, 271975, 367790, 404569, 543950, 809138, 845917, 919475, 1581497, 1691834, 1838950, 2022845, 3162994, 4045690, 4229585, 7907485, 8459170, 9305087, 10114225, 15814970, 17396467, 18610174, 20228450, 21147925, 34792934, 36374431, 39537425, 42295850, 46525435, 72748862, 79074850, 86982335, 93050870, 173964670, 181872155, 232627175, 363744310, 400118741, 434911675, 465254350, 800237482, 869823350, 909360775, 1818721550, 2000593705, 4001187410, 10002968525, 20005937050]

約数ペア:

[(1, 20005937050), (2, 10002968525), (5, 4001187410), (10, 2000593705), (11, 1818721550), (22, 909360775), (23, 869823350), (25, 800237482), (43, 465254350), (46, 434911675), (50, 400118741), (55, 363744310), (86, 232627175), (110, 181872155), (115, 173964670), (215, 93050870), (230, 86982335), (253, 79074850), (275, 72748862), (430, 46525435), (473, 42295850), (506, 39537425), (550, 36374431), (575, 34792934), (946, 21147925), (989, 20228450), (1075, 18610174), (1150, 17396467), (1265, 15814970), (1978, 10114225), (2150, 9305087), (2365, 8459170), (2530, 7907485), (4730, 4229585), (4945, 4045690), (6325, 3162994), (9890, 2022845), (10879, 1838950), (11825, 1691834), (12650, 1581497), (21758, 919475), (23650, 845917), (24725, 809138), (36779, 543950), (49450, 404569), (54395, 367790), (73558, 271975), (108790, 183895)]