20751488

素因数分解:

$2^7\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 41583360

約数和(自身を除く): 20831872

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 446, 727, 892, 1454, 1784, 2908, 3568, 5816, 7136, 11632, 14272, 23264, 28544, 46528, 93056, 162121, 324242, 648484, 1296968, 2593936, 5187872, 10375744, 20751488]

約数ペア:

[(1, 20751488), (2, 10375744), (4, 5187872), (8, 2593936), (16, 1296968), (32, 648484), (64, 324242), (128, 162121), (223, 93056), (446, 46528), (727, 28544), (892, 23264), (1454, 14272), (1784, 11632), (2908, 7136), (3568, 5816)]