20478786

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4787}}^1$

素因数の和:4846

約数の個数: 32

約数和(自身を含む): 44126208

約数和(自身を除く): 23647422

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 69, 93, 138, 186, 713, 1426, 2139, 4278, 4787, 9574, 14361, 28722, 110101, 148397, 220202, 296794, 330303, 445191, 660606, 890382, 3413131, 6826262, 10239393, 20478786]

約数ペア:

[(1, 20478786), (2, 10239393), (3, 6826262), (6, 3413131), (23, 890382), (31, 660606), (46, 445191), (62, 330303), (69, 296794), (93, 220202), (138, 148397), (186, 110101), (713, 28722), (1426, 14361), (2139, 9574), (4278, 4787)]