20156009068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4355231}}^1$

素因数の和:4355337

約数の個数: 24

約数和(自身を含む): 38413146240

約数和(自身を除く): 18257137172

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 4355231, 8710462, 17420924, 56618003, 113236006, 226472012, 387615559, 775231118, 1550462236, 5039002267, 10078004534, 20156009068]

約数ペア:

[(1, 20156009068), (2, 10078004534), (4, 5039002267), (13, 1550462236), (26, 775231118), (52, 387615559), (89, 226472012), (178, 113236006), (356, 56618003), (1157, 17420924), (2314, 8710462), (4628, 4355231)]