20138364

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 52794560

約数和(自身を除く): 32656196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 79, 97, 146, 158, 194, 219, 237, 291, 292, 316, 388, 438, 474, 582, 657, 711, 873, 876, 948, 1164, 1314, 1422, 1746, 2628, 2844, 3492, 5767, 7081, 7663, 11534, 14162, 15326, 17301, 21243, 22989, 23068, 28324, 30652, 34602, 42486, 45978, 51903, 63729, 68967, 69204, 84972, 91956, 103806, 127458, 137934, 207612, 254916, 275868, 559399, 1118798, 1678197, 2237596, 3356394, 5034591, 6712788, 10069182, 20138364]

約数ペア:

[(1, 20138364), (2, 10069182), (3, 6712788), (4, 5034591), (6, 3356394), (9, 2237596), (12, 1678197), (18, 1118798), (36, 559399), (73, 275868), (79, 254916), (97, 207612), (146, 137934), (158, 127458), (194, 103806), (219, 91956), (237, 84972), (291, 69204), (292, 68967), (316, 63729), (388, 51903), (438, 45978), (474, 42486), (582, 34602), (657, 30652), (711, 28324), (873, 23068), (876, 22989), (948, 21243), (1164, 17301), (1314, 15326), (1422, 14162), (1746, 11534), (2628, 7663), (2844, 7081), (3492, 5767)]