20587938

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 27675102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 239, 293, 294, 478, 586, 717, 879, 1434, 1673, 1758, 2051, 3346, 4102, 5019, 6153, 10038, 11711, 12306, 14357, 23422, 28714, 35133, 43071, 70027, 70266, 86142, 140054, 210081, 420162, 490189, 980378, 1470567, 2941134, 3431323, 6862646, 10293969, 20587938]

約数ペア:

[(1, 20587938), (2, 10293969), (3, 6862646), (6, 3431323), (7, 2941134), (14, 1470567), (21, 980378), (42, 490189), (49, 420162), (98, 210081), (147, 140054), (239, 86142), (293, 70266), (294, 70027), (478, 43071), (586, 35133), (717, 28714), (879, 23422), (1434, 14357), (1673, 12306), (1758, 11711), (2051, 10038), (3346, 6153), (4102, 5019)]