2020198544

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1387499}}^1$

素因数の和:1387527

約数の個数: 40

約数和(自身を含む): 4817400000

約数和(自身を除く): 2797201456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1387499, 2774998, 5549996, 9712493, 11099992, 18037487, 19424986, 22199984, 36074974, 38849972, 72149948, 77699944, 126262409, 144299896, 155399888, 252524818, 288599792, 505049636, 1010099272, 2020198544]

約数ペア:

[(1, 2020198544), (2, 1010099272), (4, 505049636), (7, 288599792), (8, 252524818), (13, 155399888), (14, 144299896), (16, 126262409), (26, 77699944), (28, 72149948), (52, 38849972), (56, 36074974), (91, 22199984), (104, 19424986), (112, 18037487), (182, 11099992), (208, 9712493), (364, 5549996), (728, 2774998), (1456, 1387499)]