20712186

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 80

約数和(自身を含む): 51749280

約数和(自身を除く): 31037094

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 59, 66, 81, 99, 118, 162, 177, 197, 198, 297, 354, 394, 531, 591, 594, 649, 891, 1062, 1182, 1298, 1593, 1773, 1782, 1947, 2167, 3186, 3546, 3894, 4334, 4779, 5319, 5841, 6501, 9558, 10638, 11623, 11682, 13002, 15957, 17523, 19503, 23246, 31914, 34869, 35046, 39006, 52569, 58509, 69738, 104607, 105138, 117018, 127853, 175527, 209214, 255706, 313821, 351054, 383559, 627642, 767118, 941463, 1150677, 1882926, 2301354, 3452031, 6904062, 10356093, 20712186]

約数ペア:

[(1, 20712186), (2, 10356093), (3, 6904062), (6, 3452031), (9, 2301354), (11, 1882926), (18, 1150677), (22, 941463), (27, 767118), (33, 627642), (54, 383559), (59, 351054), (66, 313821), (81, 255706), (99, 209214), (118, 175527), (162, 127853), (177, 117018), (197, 105138), (198, 104607), (297, 69738), (354, 58509), (394, 52569), (531, 39006), (591, 35046), (594, 34869), (649, 31914), (891, 23246), (1062, 19503), (1182, 17523), (1298, 15957), (1593, 13002), (1773, 11682), (1782, 11623), (1947, 10638), (2167, 9558), (3186, 6501), (3546, 5841), (3894, 5319), (4334, 4779)]