20444438

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 38667264

約数和(自身を除く): 18222826

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 163, 217, 238, 289, 326, 434, 527, 578, 1054, 1141, 2023, 2282, 2771, 3689, 4046, 5053, 5542, 7378, 8959, 10106, 17918, 19397, 35371, 38794, 47107, 62713, 70742, 85901, 94214, 125426, 171802, 329749, 601307, 659498, 1202614, 1460317, 2920634, 10222219, 20444438]

約数ペア:

[(1, 20444438), (2, 10222219), (7, 2920634), (14, 1460317), (17, 1202614), (31, 659498), (34, 601307), (62, 329749), (119, 171802), (163, 125426), (217, 94214), (238, 85901), (289, 70742), (326, 62713), (434, 47107), (527, 38794), (578, 35371), (1054, 19397), (1141, 17918), (2023, 10106), (2282, 8959), (2771, 7378), (3689, 5542), (4046, 5053)]