20407130982

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{8387}}^1$

素因数の和:8603

約数の個数: 128

約数和(自身を含む): 53436257280

約数和(自身を除く): 33029126298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 82, 123, 126, 157, 189, 246, 287, 314, 369, 378, 471, 574, 738, 861, 942, 1099, 1107, 1413, 1722, 2198, 2214, 2583, 2826, 3297, 4239, 5166, 6437, 6594, 7749, 8387, 8478, 9891, 12874, 15498, 16774, 19311, 19782, 25161, 29673, 38622, 45059, 50322, 57933, 58709, 59346, 75483, 90118, 115866, 117418, 135177, 150966, 173799, 176127, 226449, 270354, 343867, 347598, 352254, 405531, 452898, 528381, 687734, 811062, 1031601, 1056762, 1216593, 1316759, 1585143, 2063202, 2407069, 2433186, 2633518, 3094803, 3170286, 3950277, 4814138, 6189606, 7221207, 7900554, 9217313, 9284409, 11850831, 14442414, 18434626, 18568818, 21663621, 23701662, 27651939, 35552493, 43327242, 53987119, 55303878, 64990863, 71104986, 82955817, 107974238, 129981726, 161961357, 165911634, 248867451, 323922714, 377909833, 485884071, 497734902, 755819666, 971768142, 1133729499, 1457652213, 2267458998, 2915304426, 3401188497, 6802376994, 10203565491, 20407130982]

約数ペア:

[(1, 20407130982), (2, 10203565491), (3, 6802376994), (6, 3401188497), (7, 2915304426), (9, 2267458998), (14, 1457652213), (18, 1133729499), (21, 971768142), (27, 755819666), (41, 497734902), (42, 485884071), (54, 377909833), (63, 323922714), (82, 248867451), (123, 165911634), (126, 161961357), (157, 129981726), (189, 107974238), (246, 82955817), (287, 71104986), (314, 64990863), (369, 55303878), (378, 53987119), (471, 43327242), (574, 35552493), (738, 27651939), (861, 23701662), (942, 21663621), (1099, 18568818), (1107, 18434626), (1413, 14442414), (1722, 11850831), (2198, 9284409), (2214, 9217313), (2583, 7900554), (2826, 7221207), (3297, 6189606), (4239, 4814138), (5166, 3950277), (6437, 3170286), (6594, 3094803), (7749, 2633518), (8387, 2433186), (8478, 2407069), (9891, 2063202), (12874, 1585143), (15498, 1316759), (16774, 1216593), (19311, 1056762), (19782, 1031601), (25161, 811062), (29673, 687734), (38622, 528381), (45059, 452898), (50322, 405531), (57933, 352254), (58709, 347598), (59346, 343867), (75483, 270354), (90118, 226449), (115866, 176127), (117418, 173799), (135177, 150966)]