20255712

素因数分解:

$2^5\times 3^1\times {\mathrm{257}}^1\times {\mathrm{821}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 53443152

約数和(自身を除く): 33187440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 257, 514, 771, 821, 1028, 1542, 1642, 2056, 2463, 3084, 3284, 4112, 4926, 6168, 6568, 8224, 9852, 12336, 13136, 19704, 24672, 26272, 39408, 78816, 210997, 421994, 632991, 843988, 1265982, 1687976, 2531964, 3375952, 5063928, 6751904, 10127856, 20255712]

約数ペア:

[(1, 20255712), (2, 10127856), (3, 6751904), (4, 5063928), (6, 3375952), (8, 2531964), (12, 1687976), (16, 1265982), (24, 843988), (32, 632991), (48, 421994), (96, 210997), (257, 78816), (514, 39408), (771, 26272), (821, 24672), (1028, 19704), (1542, 13136), (1642, 12336), (2056, 9852), (2463, 8224), (3084, 6568), (3284, 6168), (4112, 4926)]