20512115885870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2053}}^1\times {\mathrm{106279}}^1$

素因数の和:108442

約数の個数: 128

約数和(自身を含む): 45266505523200

約数和(自身を除く): 24754389637330

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 79, 85, 119, 158, 170, 238, 395, 553, 595, 790, 1106, 1190, 1343, 2053, 2686, 2765, 4106, 5530, 6715, 9401, 10265, 13430, 14371, 18802, 20530, 28742, 34901, 47005, 69802, 71855, 94010, 106279, 143710, 162187, 174505, 212558, 244307, 324374, 349010, 488614, 531395, 743953, 810935, 1062790, 1135309, 1221535, 1487906, 1621870, 1806743, 2270618, 2443070, 2757179, 3613486, 3719765, 5514358, 5676545, 7439530, 8396041, 9033715, 11353090, 12647201, 13785895, 16792082, 18067430, 19300253, 25294402, 27571790, 38600506, 41980205, 58772287, 63236005, 83960410, 96501265, 117544574, 126472010, 142732697, 193002530, 218190787, 285465394, 293861435, 436381574, 587722870, 713663485, 999128879, 1090953935, 1427326970, 1527335509, 1998257758, 2181907870, 3054671018, 3709243379, 4995644395, 7418486758, 7636677545, 9991288790, 15273355090, 17237072173, 18546216895, 25964703653, 34474144346, 37092433790, 51929407306, 86185360865, 120659505211, 129823518265, 172370721730, 241319010422, 259647036530, 293030226941, 586060453882, 603297526055, 1206595052110, 1465151134705, 2051211588587, 2930302269410, 4102423177174, 10256057942935, 20512115885870]

約数ペア:

[(1, 20512115885870), (2, 10256057942935), (5, 4102423177174), (7, 2930302269410), (10, 2051211588587), (14, 1465151134705), (17, 1206595052110), (34, 603297526055), (35, 586060453882), (70, 293030226941), (79, 259647036530), (85, 241319010422), (119, 172370721730), (158, 129823518265), (170, 120659505211), (238, 86185360865), (395, 51929407306), (553, 37092433790), (595, 34474144346), (790, 25964703653), (1106, 18546216895), (1190, 17237072173), (1343, 15273355090), (2053, 9991288790), (2686, 7636677545), (2765, 7418486758), (4106, 4995644395), (5530, 3709243379), (6715, 3054671018), (9401, 2181907870), (10265, 1998257758), (13430, 1527335509), (14371, 1427326970), (18802, 1090953935), (20530, 999128879), (28742, 713663485), (34901, 587722870), (47005, 436381574), (69802, 293861435), (71855, 285465394), (94010, 218190787), (106279, 193002530), (143710, 142732697), (162187, 126472010), (174505, 117544574), (212558, 96501265), (244307, 83960410), (324374, 63236005), (349010, 58772287), (488614, 41980205), (531395, 38600506), (743953, 27571790), (810935, 25294402), (1062790, 19300253), (1135309, 18067430), (1221535, 16792082), (1487906, 13785895), (1621870, 12647201), (1806743, 11353090), (2270618, 9033715), (2443070, 8396041), (2757179, 7439530), (3613486, 5676545), (3719765, 5514358)]