20350820040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1\times {\mathrm{1217}}^1$

素因数の和:1983

約数の個数: 128

約数和(自身を含む): 61432801920

約数和(自身を除く): 41081981880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 421, 662, 842, 993, 1217, 1263, 1324, 1655, 1684, 1986, 2105, 2434, 2526, 2648, 3310, 3368, 3651, 3972, 4210, 4868, 4965, 5052, 6085, 6315, 6620, 7302, 7944, 8420, 9736, 9930, 10104, 12170, 12630, 13240, 14604, 16840, 18255, 19860, 24340, 25260, 29208, 36510, 39720, 48680, 50520, 73020, 139351, 146040, 278702, 402827, 418053, 512357, 557404, 696755, 805654, 836106, 1024714, 1114808, 1208481, 1393510, 1537071, 1611308, 1672212, 2014135, 2049428, 2090265, 2416962, 2561785, 2787020, 3074142, 3222616, 3344424, 4028270, 4098856, 4180530, 4833924, 5123570, 5574040, 6042405, 6148284, 7685355, 8056540, 8361060, 9667848, 10247140, 12084810, 12296568, 15370710, 16113080, 16722120, 20494280, 24169620, 30741420, 48339240, 61482840, 169590167, 339180334, 508770501, 678360668, 847950835, 1017541002, 1356721336, 1695901670, 2035082004, 2543852505, 3391803340, 4070164008, 5087705010, 6783606680, 10175410020, 20350820040]

約数ペア:

[(1, 20350820040), (2, 10175410020), (3, 6783606680), (4, 5087705010), (5, 4070164008), (6, 3391803340), (8, 2543852505), (10, 2035082004), (12, 1695901670), (15, 1356721336), (20, 1017541002), (24, 847950835), (30, 678360668), (40, 508770501), (60, 339180334), (120, 169590167), (331, 61482840), (421, 48339240), (662, 30741420), (842, 24169620), (993, 20494280), (1217, 16722120), (1263, 16113080), (1324, 15370710), (1655, 12296568), (1684, 12084810), (1986, 10247140), (2105, 9667848), (2434, 8361060), (2526, 8056540), (2648, 7685355), (3310, 6148284), (3368, 6042405), (3651, 5574040), (3972, 5123570), (4210, 4833924), (4868, 4180530), (4965, 4098856), (5052, 4028270), (6085, 3344424), (6315, 3222616), (6620, 3074142), (7302, 2787020), (7944, 2561785), (8420, 2416962), (9736, 2090265), (9930, 2049428), (10104, 2014135), (12170, 1672212), (12630, 1611308), (13240, 1537071), (14604, 1393510), (16840, 1208481), (18255, 1114808), (19860, 1024714), (24340, 836106), (25260, 805654), (29208, 696755), (36510, 557404), (39720, 512357), (48680, 418053), (50520, 402827), (73020, 278702), (139351, 146040)]