20199536

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^2$

素因数の和:238

約数の個数: 60

約数和(自身を含む): 47822832

約数和(自身を除く): 27623296

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 103, 112, 119, 136, 206, 238, 272, 412, 476, 721, 824, 952, 1442, 1648, 1751, 1904, 2884, 3502, 5768, 7004, 10609, 11536, 12257, 14008, 21218, 24514, 28016, 42436, 49028, 74263, 84872, 98056, 148526, 169744, 180353, 196112, 297052, 360706, 594104, 721412, 1188208, 1262471, 1442824, 2524942, 2885648, 5049884, 10099768, 20199536]

約数ペア:

[(1, 20199536), (2, 10099768), (4, 5049884), (7, 2885648), (8, 2524942), (14, 1442824), (16, 1262471), (17, 1188208), (28, 721412), (34, 594104), (56, 360706), (68, 297052), (103, 196112), (112, 180353), (119, 169744), (136, 148526), (206, 98056), (238, 84872), (272, 74263), (412, 49028), (476, 42436), (721, 28016), (824, 24514), (952, 21218), (1442, 14008), (1648, 12257), (1751, 11536), (1904, 10609), (2884, 7004), (3502, 5768)]