20117079640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1072339}}^1$

素因数の和:1072424

約数の個数: 64

約数和(自身を含む): 52501766400

約数和(自身を除く): 32384686760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3752, 4690, 9380, 18760, 1072339, 2144678, 4289356, 5361695, 7506373, 8578712, 10723390, 15012746, 21446780, 30025492, 37531865, 42893560, 60050984, 71846713, 75063730, 143693426, 150127460, 287386852, 300254920, 359233565, 502926991, 574773704, 718467130, 1005853982, 1436934260, 2011707964, 2514634955, 2873868520, 4023415928, 5029269910, 10058539820, 20117079640]

約数ペア:

[(1, 20117079640), (2, 10058539820), (4, 5029269910), (5, 4023415928), (7, 2873868520), (8, 2514634955), (10, 2011707964), (14, 1436934260), (20, 1005853982), (28, 718467130), (35, 574773704), (40, 502926991), (56, 359233565), (67, 300254920), (70, 287386852), (134, 150127460), (140, 143693426), (268, 75063730), (280, 71846713), (335, 60050984), (469, 42893560), (536, 37531865), (670, 30025492), (938, 21446780), (1340, 15012746), (1876, 10723390), (2345, 8578712), (2680, 7506373), (3752, 5361695), (4690, 4289356), (9380, 2144678), (18760, 1072339)]