20163796515

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{475169}}^1$

素因数の和:475244

約数の個数: 48

約数和(自身を含む): 37359766080

約数和(自身を除く): 17195969565

約数列:

[1, 3, 5, 9, 15, 23, 41, 45, 69, 115, 123, 205, 207, 345, 369, 615, 943, 1035, 1845, 2829, 4715, 8487, 14145, 42435, 475169, 1425507, 2375845, 4276521, 7127535, 10928887, 19481929, 21382605, 32786661, 54644435, 58445787, 97409645, 98359983, 163933305, 175337361, 292228935, 448084367, 491799915, 876686805, 1344253101, 2240421835, 4032759303, 6721265505, 20163796515]

約数ペア:

[(1, 20163796515), (3, 6721265505), (5, 4032759303), (9, 2240421835), (15, 1344253101), (23, 876686805), (41, 491799915), (45, 448084367), (69, 292228935), (115, 175337361), (123, 163933305), (205, 98359983), (207, 97409645), (345, 58445787), (369, 54644435), (615, 32786661), (943, 21382605), (1035, 19481929), (1845, 10928887), (2829, 7127535), (4715, 4276521), (8487, 2375845), (14145, 1425507), (42435, 475169)]