20801144

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28573}}^1$

素因数の和:28599

約数の個数: 32

約数和(自身を含む): 48004320

約数和(自身を除く): 27203176

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28573, 57146, 114292, 200011, 228584, 371449, 400022, 742898, 800044, 1485796, 1600088, 2600143, 2971592, 5200286, 10400572, 20801144]

約数ペア:

[(1, 20801144), (2, 10400572), (4, 5200286), (7, 2971592), (8, 2600143), (13, 1600088), (14, 1485796), (26, 800044), (28, 742898), (52, 400022), (56, 371449), (91, 228584), (104, 200011), (182, 114292), (364, 57146), (728, 28573)]