20045190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 38015610

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 23, 30, 33, 38, 46, 55, 57, 66, 69, 95, 110, 114, 115, 138, 139, 165, 190, 209, 230, 253, 278, 285, 330, 345, 417, 418, 437, 506, 570, 627, 690, 695, 759, 834, 874, 1045, 1254, 1265, 1311, 1390, 1518, 1529, 2085, 2090, 2185, 2530, 2622, 2641, 3058, 3135, 3197, 3795, 4170, 4370, 4587, 4807, 5282, 6270, 6394, 6555, 7590, 7645, 7923, 9174, 9591, 9614, 13110, 13205, 14421, 15290, 15846, 15985, 19182, 22935, 24035, 26410, 28842, 29051, 31970, 35167, 39615, 45870, 47955, 48070, 58102, 60743, 70334, 72105, 79230, 87153, 95910, 105501, 121486, 144210, 145255, 174306, 175835, 182229, 211002, 290510, 303715, 351670, 364458, 435765, 527505, 607430, 668173, 871530, 911145, 1055010, 1336346, 1822290, 2004519, 3340865, 4009038, 6681730, 10022595, 20045190]

約数ペア:

[(1, 20045190), (2, 10022595), (3, 6681730), (5, 4009038), (6, 3340865), (10, 2004519), (11, 1822290), (15, 1336346), (19, 1055010), (22, 911145), (23, 871530), (30, 668173), (33, 607430), (38, 527505), (46, 435765), (55, 364458), (57, 351670), (66, 303715), (69, 290510), (95, 211002), (110, 182229), (114, 175835), (115, 174306), (138, 145255), (139, 144210), (165, 121486), (190, 105501), (209, 95910), (230, 87153), (253, 79230), (278, 72105), (285, 70334), (330, 60743), (345, 58102), (417, 48070), (418, 47955), (437, 45870), (506, 39615), (570, 35167), (627, 31970), (690, 29051), (695, 28842), (759, 26410), (834, 24035), (874, 22935), (1045, 19182), (1254, 15985), (1265, 15846), (1311, 15290), (1390, 14421), (1518, 13205), (1529, 13110), (2085, 9614), (2090, 9591), (2185, 9174), (2530, 7923), (2622, 7645), (2641, 7590), (3058, 6555), (3135, 6394), (3197, 6270), (3795, 5282), (4170, 4807), (4370, 4587)]