20656767060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17729}}^1\times {\mathrm{6473}}^1$

素因数の和:24217

約数の個数: 72

約数和(自身を含む): 62672074920

約数和(自身を除く): 42015307860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 6473, 12946, 17729, 19419, 25892, 32365, 35458, 38838, 53187, 58257, 64730, 70916, 77676, 88645, 97095, 106374, 116514, 129460, 159561, 177290, 194190, 212748, 233028, 265935, 291285, 319122, 354580, 388380, 531870, 582570, 638244, 797805, 1063740, 1165140, 1595610, 3191220, 114759817, 229519634, 344279451, 459039268, 573799085, 688558902, 1032838353, 1147598170, 1377117804, 1721397255, 2065676706, 2295196340, 3442794510, 4131353412, 5164191765, 6885589020, 10328383530, 20656767060]

約数ペア:

[(1, 20656767060), (2, 10328383530), (3, 6885589020), (4, 5164191765), (5, 4131353412), (6, 3442794510), (9, 2295196340), (10, 2065676706), (12, 1721397255), (15, 1377117804), (18, 1147598170), (20, 1032838353), (30, 688558902), (36, 573799085), (45, 459039268), (60, 344279451), (90, 229519634), (180, 114759817), (6473, 3191220), (12946, 1595610), (17729, 1165140), (19419, 1063740), (25892, 797805), (32365, 638244), (35458, 582570), (38838, 531870), (53187, 388380), (58257, 354580), (64730, 319122), (70916, 291285), (77676, 265935), (88645, 233028), (97095, 212748), (106374, 194190), (116514, 177290), (129460, 159561)]