20866999370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{937}}^1\times {\mathrm{967}}^1$

素因数の和:1972

約数の個数: 96

約数和(自身を含む): 44716396032

約数和(自身を除く): 23849396662

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 94, 98, 235, 245, 329, 470, 490, 658, 937, 967, 1645, 1874, 1934, 2303, 3290, 4606, 4685, 4835, 6559, 6769, 9370, 9670, 11515, 13118, 13538, 23030, 32795, 33845, 44039, 45449, 45913, 47383, 65590, 67690, 88078, 90898, 91826, 94766, 220195, 227245, 229565, 236915, 308273, 318143, 440390, 454490, 459130, 473830, 616546, 636286, 906079, 1541365, 1590715, 1812158, 2157911, 2227001, 3082730, 3181430, 4315822, 4454002, 4530395, 6342553, 9060790, 10789555, 11135005, 12685106, 21579110, 22270010, 31712765, 42585713, 44397871, 63425530, 85171426, 88795742, 212928565, 221989355, 298099991, 425857130, 443978710, 596199982, 1490499955, 2086699937, 2980999910, 4173399874, 10433499685, 20866999370]

約数ペア:

[(1, 20866999370), (2, 10433499685), (5, 4173399874), (7, 2980999910), (10, 2086699937), (14, 1490499955), (35, 596199982), (47, 443978710), (49, 425857130), (70, 298099991), (94, 221989355), (98, 212928565), (235, 88795742), (245, 85171426), (329, 63425530), (470, 44397871), (490, 42585713), (658, 31712765), (937, 22270010), (967, 21579110), (1645, 12685106), (1874, 11135005), (1934, 10789555), (2303, 9060790), (3290, 6342553), (4606, 4530395), (4685, 4454002), (4835, 4315822), (6559, 3181430), (6769, 3082730), (9370, 2227001), (9670, 2157911), (11515, 1812158), (13118, 1590715), (13538, 1541365), (23030, 906079), (32795, 636286), (33845, 616546), (44039, 473830), (45449, 459130), (45913, 454490), (47383, 440390), (65590, 318143), (67690, 308273), (88078, 236915), (90898, 229565), (91826, 227245), (94766, 220195)]