20090808

素因数分解:

$2^3\times 3^3\times {\mathrm{47}}^1\times {\mathrm{1979}}^1$

素因数の和:2041

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 36933192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 47, 54, 72, 94, 108, 141, 188, 216, 282, 376, 423, 564, 846, 1128, 1269, 1692, 1979, 2538, 3384, 3958, 5076, 5937, 7916, 10152, 11874, 15832, 17811, 23748, 35622, 47496, 53433, 71244, 93013, 106866, 142488, 186026, 213732, 279039, 372052, 427464, 558078, 744104, 837117, 1116156, 1674234, 2232312, 2511351, 3348468, 5022702, 6696936, 10045404, 20090808]

約数ペア:

[(1, 20090808), (2, 10045404), (3, 6696936), (4, 5022702), (6, 3348468), (8, 2511351), (9, 2232312), (12, 1674234), (18, 1116156), (24, 837117), (27, 744104), (36, 558078), (47, 427464), (54, 372052), (72, 279039), (94, 213732), (108, 186026), (141, 142488), (188, 106866), (216, 93013), (282, 71244), (376, 53433), (423, 47496), (564, 35622), (846, 23748), (1128, 17811), (1269, 15832), (1692, 11874), (1979, 10152), (2538, 7916), (3384, 5937), (3958, 5076)]