20287050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{139}}^2$

素因数の和:300

約数の個数: 72

約数和(自身を含む): 57915936

約数和(自身を除く): 37628886

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 139, 150, 175, 210, 278, 350, 417, 525, 695, 834, 973, 1050, 1390, 1946, 2085, 2919, 3475, 4170, 4865, 5838, 6950, 9730, 10425, 14595, 19321, 20850, 24325, 29190, 38642, 48650, 57963, 72975, 96605, 115926, 135247, 145950, 193210, 270494, 289815, 405741, 483025, 579630, 676235, 811482, 966050, 1352470, 1449075, 2028705, 2898150, 3381175, 4057410, 6762350, 10143525, 20287050]

約数ペア:

[(1, 20287050), (2, 10143525), (3, 6762350), (5, 4057410), (6, 3381175), (7, 2898150), (10, 2028705), (14, 1449075), (15, 1352470), (21, 966050), (25, 811482), (30, 676235), (35, 579630), (42, 483025), (50, 405741), (70, 289815), (75, 270494), (105, 193210), (139, 145950), (150, 135247), (175, 115926), (210, 96605), (278, 72975), (350, 57963), (417, 48650), (525, 38642), (695, 29190), (834, 24325), (973, 20850), (1050, 19321), (1390, 14595), (1946, 10425), (2085, 9730), (2919, 6950), (3475, 5838), (4170, 4865)]