20674448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2621}}^1$

素因数の和:2675

約数の個数: 40

約数和(自身を含む): 43892280

約数和(自身を除く): 23217832

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 2621, 3944, 5242, 7888, 10484, 20968, 41936, 44557, 76009, 89114, 152018, 178228, 304036, 356456, 608072, 712912, 1216144, 1292153, 2584306, 5168612, 10337224, 20674448]

約数ペア:

[(1, 20674448), (2, 10337224), (4, 5168612), (8, 2584306), (16, 1292153), (17, 1216144), (29, 712912), (34, 608072), (58, 356456), (68, 304036), (116, 178228), (136, 152018), (232, 89114), (272, 76009), (464, 44557), (493, 41936), (986, 20968), (1972, 10484), (2621, 7888), (3944, 5242)]