20021724909

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{2237}}^1\times {\mathrm{2351}}^1$

素因数の和:4647

約数の個数: 40

約数和(自身を含む): 30572011008

約数和(自身を除く): 10550286099

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 2237, 2351, 3807, 6711, 7053, 20133, 21159, 60399, 63477, 105139, 110497, 181197, 190431, 315417, 331491, 946251, 994473, 2838753, 2983419, 5259187, 8516259, 8950257, 15777561, 47332683, 141998049, 247181789, 425994147, 741545367, 2224636101, 6673908303, 20021724909]

約数ペア:

[(1, 20021724909), (3, 6673908303), (9, 2224636101), (27, 741545367), (47, 425994147), (81, 247181789), (141, 141998049), (423, 47332683), (1269, 15777561), (2237, 8950257), (2351, 8516259), (3807, 5259187), (6711, 2983419), (7053, 2838753), (20133, 994473), (21159, 946251), (60399, 331491), (63477, 315417), (105139, 190431), (110497, 181197)]