20923305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1759}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 36664320

約数和(自身を除く): 15741015

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 1759, 2379, 3965, 5277, 8795, 11895, 22867, 26385, 68601, 107299, 114335, 321897, 343005, 536495, 1394887, 1609485, 4184661, 6974435, 20923305]

約数ペア:

[(1, 20923305), (3, 6974435), (5, 4184661), (13, 1609485), (15, 1394887), (39, 536495), (61, 343005), (65, 321897), (183, 114335), (195, 107299), (305, 68601), (793, 26385), (915, 22867), (1759, 11895), (2379, 8795), (3965, 5277)]