20951735

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 31767552

約数和(自身を除く): 10815817

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1531, 1955, 2737, 7655, 10717, 13685, 26027, 35213, 53585, 130135, 176065, 182189, 246491, 598621, 910945, 1232455, 2993105, 4190347, 20951735]

約数ペア:

[(1, 20951735), (5, 4190347), (7, 2993105), (17, 1232455), (23, 910945), (35, 598621), (85, 246491), (115, 182189), (119, 176065), (161, 130135), (391, 53585), (595, 35213), (805, 26027), (1531, 13685), (1955, 10717), (2737, 7655)]