20219858841

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{24631}}^1$

素因数の和:24782

約数の個数: 64

約数和(自身を含む): 34606186496

約数和(自身を除く): 14386327655

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 97, 217, 273, 291, 403, 651, 679, 1209, 1261, 2037, 2821, 3007, 3783, 8463, 8827, 9021, 21049, 24631, 26481, 39091, 63147, 73893, 117273, 172417, 273637, 320203, 517251, 763561, 820911, 960609, 2241421, 2290683, 2389207, 5344927, 6724263, 7167621, 9926293, 16034781, 16724449, 29778879, 31059691, 50173347, 69484051, 74065417, 93179073, 208452153, 217417837, 222196251, 518457919, 652253511, 962850421, 1555373757, 2888551263, 6739952947, 20219858841]

約数ペア:

[(1, 20219858841), (3, 6739952947), (7, 2888551263), (13, 1555373757), (21, 962850421), (31, 652253511), (39, 518457919), (91, 222196251), (93, 217417837), (97, 208452153), (217, 93179073), (273, 74065417), (291, 69484051), (403, 50173347), (651, 31059691), (679, 29778879), (1209, 16724449), (1261, 16034781), (2037, 9926293), (2821, 7167621), (3007, 6724263), (3783, 5344927), (8463, 2389207), (8827, 2290683), (9021, 2241421), (21049, 960609), (24631, 820911), (26481, 763561), (39091, 517251), (63147, 320203), (73893, 273637), (117273, 172417)]