20204328

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^2\times {\mathrm{167}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 51539040

約数和(自身を除く): 31334712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 167, 213, 284, 334, 426, 501, 568, 668, 852, 1002, 1336, 1704, 2004, 4008, 5041, 10082, 11857, 15123, 20164, 23714, 30246, 35571, 40328, 47428, 60492, 71142, 94856, 120984, 142284, 284568, 841847, 1683694, 2525541, 3367388, 5051082, 6734776, 10102164, 20204328]

約数ペア:

[(1, 20204328), (2, 10102164), (3, 6734776), (4, 5051082), (6, 3367388), (8, 2525541), (12, 1683694), (24, 841847), (71, 284568), (142, 142284), (167, 120984), (213, 94856), (284, 71142), (334, 60492), (426, 47428), (501, 40328), (568, 35571), (668, 30246), (852, 23714), (1002, 20164), (1336, 15123), (1704, 11857), (2004, 10082), (4008, 5041)]