20216448008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1069427}}^1$

素因数の和:1069589

約数の個数: 32

約数和(自身を含む): 40424378400

約数和(自身を除く): 20207930392

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1112, 2363, 4726, 9452, 18904, 1069427, 2138854, 4277708, 8555416, 18180259, 36360518, 72721036, 145442072, 148650353, 297300706, 594601412, 1189202824, 2527056001, 5054112002, 10108224004, 20216448008]

約数ペア:

[(1, 20216448008), (2, 10108224004), (4, 5054112002), (8, 2527056001), (17, 1189202824), (34, 594601412), (68, 297300706), (136, 148650353), (139, 145442072), (278, 72721036), (556, 36360518), (1112, 18180259), (2363, 8555416), (4726, 4277708), (9452, 2138854), (18904, 1069427)]