20072715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1303}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 35051520

約数和(自身を除く): 14978805

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 195, 237, 395, 1027, 1185, 1303, 3081, 3909, 5135, 6515, 15405, 16939, 19545, 50817, 84695, 102937, 254085, 308811, 514685, 1338181, 1544055, 4014543, 6690905, 20072715]

約数ペア:

[(1, 20072715), (3, 6690905), (5, 4014543), (13, 1544055), (15, 1338181), (39, 514685), (65, 308811), (79, 254085), (195, 102937), (237, 84695), (395, 50817), (1027, 19545), (1185, 16939), (1303, 15405), (3081, 6515), (3909, 5135)]