20020616

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4643}}^1$

素因数の和:4674

約数の個数: 48

約数和(自身を含む): 47647440

約数和(自身を除く): 27626824

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4643, 9286, 18572, 32501, 37144, 51073, 65002, 102146, 130004, 204292, 227507, 260008, 357511, 408584, 455014, 715022, 910028, 1430044, 1820056, 2502577, 2860088, 5005154, 10010308, 20020616]

約数ペア:

[(1, 20020616), (2, 10010308), (4, 5005154), (7, 2860088), (8, 2502577), (11, 1820056), (14, 1430044), (22, 910028), (28, 715022), (44, 455014), (49, 408584), (56, 357511), (77, 260008), (88, 227507), (98, 204292), (154, 130004), (196, 102146), (308, 65002), (392, 51073), (539, 37144), (616, 32501), (1078, 18572), (2156, 9286), (4312, 4643)]