20199453584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3908563}}^1$

素因数の和:3908607

約数の個数: 40

約数和(自身を含む): 43619574240

約数和(自身を除く): 23420120656

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 3908563, 7817126, 15634252, 31268504, 62537008, 66445571, 74262697, 132891142, 148525394, 265782284, 297050788, 531564568, 594101576, 1063129136, 1188203152, 1262465849, 2524931698, 5049863396, 10099726792, 20199453584]

約数ペア:

[(1, 20199453584), (2, 10099726792), (4, 5049863396), (8, 2524931698), (16, 1262465849), (17, 1188203152), (19, 1063129136), (34, 594101576), (38, 531564568), (68, 297050788), (76, 265782284), (136, 148525394), (152, 132891142), (272, 74262697), (304, 66445571), (323, 62537008), (646, 31268504), (1292, 15634252), (2584, 7817126), (5168, 3908563)]