20219663428

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{251}}^1\times {\mathrm{55787}}^1$

素因数の和:56080

約数の個数: 36

約数和(自身を含む): 37494222192

約数和(自身を除く): 17274558764

約数列:

[1, 2, 4, 19, 38, 76, 251, 361, 502, 722, 1004, 1444, 4769, 9538, 19076, 55787, 90611, 111574, 181222, 223148, 362444, 1059953, 2119906, 4239812, 14002537, 20139107, 28005074, 40278214, 56010148, 80556428, 266048203, 532096406, 1064192812, 5054915857, 10109831714, 20219663428]

約数ペア:

[(1, 20219663428), (2, 10109831714), (4, 5054915857), (19, 1064192812), (38, 532096406), (76, 266048203), (251, 80556428), (361, 56010148), (502, 40278214), (722, 28005074), (1004, 20139107), (1444, 14002537), (4769, 4239812), (9538, 2119906), (19076, 1059953), (55787, 362444), (90611, 223148), (111574, 181222)]