20746260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 65345280

約数和(自身を除く): 44599020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 103, 108, 135, 180, 206, 270, 309, 373, 412, 515, 540, 618, 746, 927, 1030, 1119, 1236, 1492, 1545, 1854, 1865, 2060, 2238, 2781, 3090, 3357, 3708, 3730, 4476, 4635, 5562, 5595, 6180, 6714, 7460, 9270, 10071, 11124, 11190, 13428, 13905, 16785, 18540, 20142, 22380, 27810, 33570, 38419, 40284, 50355, 55620, 67140, 76838, 100710, 115257, 153676, 192095, 201420, 230514, 345771, 384190, 461028, 576285, 691542, 768380, 1037313, 1152570, 1383084, 1728855, 2074626, 2305140, 3457710, 4149252, 5186565, 6915420, 10373130, 20746260]

約数ペア:

[(1, 20746260), (2, 10373130), (3, 6915420), (4, 5186565), (5, 4149252), (6, 3457710), (9, 2305140), (10, 2074626), (12, 1728855), (15, 1383084), (18, 1152570), (20, 1037313), (27, 768380), (30, 691542), (36, 576285), (45, 461028), (54, 384190), (60, 345771), (90, 230514), (103, 201420), (108, 192095), (135, 153676), (180, 115257), (206, 100710), (270, 76838), (309, 67140), (373, 55620), (412, 50355), (515, 40284), (540, 38419), (618, 33570), (746, 27810), (927, 22380), (1030, 20142), (1119, 18540), (1236, 16785), (1492, 13905), (1545, 13428), (1854, 11190), (1865, 11124), (2060, 10071), (2238, 9270), (2781, 7460), (3090, 6714), (3357, 6180), (3708, 5595), (3730, 5562), (4476, 4635)]