20187264460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1\times {\mathrm{1979}}^1$

素因数の和:2431

約数の個数: 96

約数和(自身を含む): 46702656000

約数和(自身を除く): 26515391540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 233, 398, 466, 796, 932, 995, 1165, 1979, 1990, 2189, 2330, 2563, 3958, 3980, 4378, 4660, 5126, 7916, 8756, 9895, 10252, 10945, 12815, 19790, 21769, 21890, 25630, 39580, 43538, 43780, 46367, 51260, 87076, 92734, 108845, 185468, 217690, 231835, 393821, 435380, 461107, 463670, 510037, 787642, 922214, 927340, 1020074, 1575284, 1844428, 1969105, 2040148, 2305535, 2550185, 3938210, 4332031, 4611070, 5072177, 5100370, 7876420, 8664062, 9222140, 10144354, 10200740, 17328124, 20288708, 21660155, 25360885, 43320310, 50721770, 86640620, 91760293, 101443540, 183520586, 367041172, 458801465, 917602930, 1009363223, 1835205860, 2018726446, 4037452892, 5046816115, 10093632230, 20187264460]

約数ペア:

[(1, 20187264460), (2, 10093632230), (4, 5046816115), (5, 4037452892), (10, 2018726446), (11, 1835205860), (20, 1009363223), (22, 917602930), (44, 458801465), (55, 367041172), (110, 183520586), (199, 101443540), (220, 91760293), (233, 86640620), (398, 50721770), (466, 43320310), (796, 25360885), (932, 21660155), (995, 20288708), (1165, 17328124), (1979, 10200740), (1990, 10144354), (2189, 9222140), (2330, 8664062), (2563, 7876420), (3958, 5100370), (3980, 5072177), (4378, 4611070), (4660, 4332031), (5126, 3938210), (7916, 2550185), (8756, 2305535), (9895, 2040148), (10252, 1969105), (10945, 1844428), (12815, 1575284), (19790, 1020074), (21769, 927340), (21890, 922214), (25630, 787642), (39580, 510037), (43538, 463670), (43780, 461107), (46367, 435380), (51260, 393821), (87076, 231835), (92734, 217690), (108845, 185468)]