20123691792

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{70663}}^1$

素因数の和:71040

約数の個数: 80

約数和(自身を含む): 55202716800

約数和(自身を除く): 35079025008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 349, 408, 698, 816, 1047, 1396, 2094, 2792, 4188, 5584, 5933, 8376, 11866, 16752, 17799, 23732, 35598, 47464, 70663, 71196, 94928, 141326, 142392, 211989, 282652, 284784, 423978, 565304, 847956, 1130608, 1201271, 1695912, 2402542, 3391824, 3603813, 4805084, 7207626, 9610168, 14415252, 19220336, 24661387, 28830504, 49322774, 57661008, 73984161, 98645548, 147968322, 197291096, 295936644, 394582192, 419243579, 591873288, 838487158, 1183746576, 1257730737, 1676974316, 2515461474, 3353948632, 5030922948, 6707897264, 10061845896, 20123691792]

約数ペア:

[(1, 20123691792), (2, 10061845896), (3, 6707897264), (4, 5030922948), (6, 3353948632), (8, 2515461474), (12, 1676974316), (16, 1257730737), (17, 1183746576), (24, 838487158), (34, 591873288), (48, 419243579), (51, 394582192), (68, 295936644), (102, 197291096), (136, 147968322), (204, 98645548), (272, 73984161), (349, 57661008), (408, 49322774), (698, 28830504), (816, 24661387), (1047, 19220336), (1396, 14415252), (2094, 9610168), (2792, 7207626), (4188, 4805084), (5584, 3603813), (5933, 3391824), (8376, 2402542), (11866, 1695912), (16752, 1201271), (17799, 1130608), (23732, 847956), (35598, 565304), (47464, 423978), (70663, 284784), (71196, 282652), (94928, 211989), (141326, 142392)]