20297178

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4457}}^1$

素因数の和:4499

約数の個数: 48

約数和(自身を含む): 50072256

約数和(自身を除く): 29775078

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 138, 198, 207, 253, 414, 506, 759, 1518, 2277, 4457, 4554, 8914, 13371, 26742, 40113, 49027, 80226, 98054, 102511, 147081, 205022, 294162, 307533, 441243, 615066, 882486, 922599, 1127621, 1845198, 2255242, 3382863, 6765726, 10148589, 20297178]

約数ペア:

[(1, 20297178), (2, 10148589), (3, 6765726), (6, 3382863), (9, 2255242), (11, 1845198), (18, 1127621), (22, 922599), (23, 882486), (33, 615066), (46, 441243), (66, 307533), (69, 294162), (99, 205022), (138, 147081), (198, 102511), (207, 98054), (253, 80226), (414, 49027), (506, 40113), (759, 26742), (1518, 13371), (2277, 8914), (4457, 4554)]