20825168

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14303}}^1$

素因数の和:14331

約数の個数: 40

約数和(自身を含む): 49663488

約数和(自身を除く): 28838320

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14303, 28606, 57212, 100121, 114424, 185939, 200242, 228848, 371878, 400484, 743756, 800968, 1301573, 1487512, 1601936, 2603146, 2975024, 5206292, 10412584, 20825168]

約数ペア:

[(1, 20825168), (2, 10412584), (4, 5206292), (7, 2975024), (8, 2603146), (13, 1601936), (14, 1487512), (16, 1301573), (26, 800968), (28, 743756), (52, 400484), (56, 371878), (91, 228848), (104, 200242), (112, 185939), (182, 114424), (208, 100121), (364, 57212), (728, 28606), (1456, 14303)]