20146784

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1767

約数の個数: 48

約数和(自身を含む): 46212768

約数和(自身を除く): 26065984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1696, 1697, 2968, 3394, 5936, 6788, 11872, 11879, 13576, 23758, 27152, 47516, 54304, 89941, 95032, 179882, 190064, 359764, 380128, 629587, 719528, 1259174, 1439056, 2518348, 2878112, 5036696, 10073392, 20146784]

約数ペア:

[(1, 20146784), (2, 10073392), (4, 5036696), (7, 2878112), (8, 2518348), (14, 1439056), (16, 1259174), (28, 719528), (32, 629587), (53, 380128), (56, 359764), (106, 190064), (112, 179882), (212, 95032), (224, 89941), (371, 54304), (424, 47516), (742, 27152), (848, 23758), (1484, 13576), (1696, 11879), (1697, 11872), (2968, 6788), (3394, 5936)]