20171740728

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1\times {\mathrm{827}}^1$

素因数の和:1357

約数の個数: 128

約数和(自身を含む): 53911941120

約数和(自身を除く): 33740200392

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 191, 204, 313, 382, 408, 573, 626, 764, 827, 939, 1146, 1252, 1528, 1654, 1878, 2292, 2481, 2504, 3247, 3308, 3756, 4584, 4962, 5321, 6494, 6616, 7512, 9741, 9924, 10642, 12988, 14059, 15963, 19482, 19848, 21284, 25976, 28118, 31926, 38964, 42177, 42568, 56236, 59783, 63852, 77928, 84354, 112472, 119566, 127704, 157957, 168708, 179349, 239132, 258851, 315914, 337416, 358698, 473871, 478264, 517702, 631828, 717396, 776553, 947742, 1016311, 1035404, 1263656, 1434792, 1553106, 1895484, 2032622, 2070808, 2685269, 3048933, 3106212, 3790968, 4065244, 4400467, 5370538, 6097866, 6212424, 8055807, 8130488, 8800934, 10741076, 12195732, 13201401, 16111614, 17601868, 21482152, 24391464, 26402802, 32223228, 35203736, 49440541, 52805604, 64446456, 98881082, 105611208, 148321623, 197762164, 296643246, 395524328, 593286492, 840489197, 1186572984, 1680978394, 2521467591, 3361956788, 5042935182, 6723913576, 10085870364, 20171740728]

約数ペア:

[(1, 20171740728), (2, 10085870364), (3, 6723913576), (4, 5042935182), (6, 3361956788), (8, 2521467591), (12, 1680978394), (17, 1186572984), (24, 840489197), (34, 593286492), (51, 395524328), (68, 296643246), (102, 197762164), (136, 148321623), (191, 105611208), (204, 98881082), (313, 64446456), (382, 52805604), (408, 49440541), (573, 35203736), (626, 32223228), (764, 26402802), (827, 24391464), (939, 21482152), (1146, 17601868), (1252, 16111614), (1528, 13201401), (1654, 12195732), (1878, 10741076), (2292, 8800934), (2481, 8130488), (2504, 8055807), (3247, 6212424), (3308, 6097866), (3756, 5370538), (4584, 4400467), (4962, 4065244), (5321, 3790968), (6494, 3106212), (6616, 3048933), (7512, 2685269), (9741, 2070808), (9924, 2032622), (10642, 1895484), (12988, 1553106), (14059, 1434792), (15963, 1263656), (19482, 1035404), (19848, 1016311), (21284, 947742), (25976, 776553), (28118, 717396), (31926, 631828), (38964, 517702), (42177, 478264), (42568, 473871), (56236, 358698), (59783, 337416), (63852, 315914), (77928, 258851), (84354, 239132), (112472, 179349), (119566, 168708), (127704, 157957)]