20749352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1523}}^1$

素因数の和:1673

約数の個数: 32

約数和(自身を含む): 42245280

約数和(自身を除く): 21495928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 262, 524, 1048, 1523, 1703, 3046, 3406, 6092, 6812, 12184, 13624, 19799, 39598, 79196, 158392, 199513, 399026, 798052, 1596104, 2593669, 5187338, 10374676, 20749352]

約数ペア:

[(1, 20749352), (2, 10374676), (4, 5187338), (8, 2593669), (13, 1596104), (26, 798052), (52, 399026), (104, 199513), (131, 158392), (262, 79196), (524, 39598), (1048, 19799), (1523, 13624), (1703, 12184), (3046, 6812), (3406, 6092)]