20089350

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 57853440

約数和(自身を除く): 37764090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 45, 46, 50, 54, 69, 75, 90, 115, 135, 138, 150, 207, 225, 230, 270, 345, 414, 450, 575, 621, 647, 675, 690, 1035, 1150, 1242, 1294, 1350, 1725, 1941, 2070, 3105, 3235, 3450, 3882, 5175, 5823, 6210, 6470, 9705, 10350, 11646, 14881, 15525, 16175, 17469, 19410, 29115, 29762, 31050, 32350, 34938, 44643, 48525, 58230, 74405, 87345, 89286, 97050, 133929, 145575, 148810, 174690, 223215, 267858, 291150, 372025, 401787, 436725, 446430, 669645, 744050, 803574, 873450, 1116075, 1339290, 2008935, 2232150, 3348225, 4017870, 6696450, 10044675, 20089350]

約数ペア:

[(1, 20089350), (2, 10044675), (3, 6696450), (5, 4017870), (6, 3348225), (9, 2232150), (10, 2008935), (15, 1339290), (18, 1116075), (23, 873450), (25, 803574), (27, 744050), (30, 669645), (45, 446430), (46, 436725), (50, 401787), (54, 372025), (69, 291150), (75, 267858), (90, 223215), (115, 174690), (135, 148810), (138, 145575), (150, 133929), (207, 97050), (225, 89286), (230, 87345), (270, 74405), (345, 58230), (414, 48525), (450, 44643), (575, 34938), (621, 32350), (647, 31050), (675, 29762), (690, 29115), (1035, 19410), (1150, 17469), (1242, 16175), (1294, 15525), (1350, 14881), (1725, 11646), (1941, 10350), (2070, 9705), (3105, 6470), (3235, 6210), (3450, 5823), (3882, 5175)]