20498069228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1373497}}^1$

素因数の和:1373562

約数の個数: 48

約数和(自身を含む): 45226542144

約数和(自身を除く): 24728472916

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 2132, 3731, 7462, 14924, 1373497, 2746994, 5493988, 9614479, 17855461, 19228958, 35710922, 38457916, 56313377, 71421844, 112626754, 124988227, 225253508, 249976454, 394193639, 499952908, 732073901, 788387278, 1464147802, 1576774556, 2928295604, 5124517307, 10249034614, 20498069228]

約数ペア:

[(1, 20498069228), (2, 10249034614), (4, 5124517307), (7, 2928295604), (13, 1576774556), (14, 1464147802), (26, 788387278), (28, 732073901), (41, 499952908), (52, 394193639), (82, 249976454), (91, 225253508), (164, 124988227), (182, 112626754), (287, 71421844), (364, 56313377), (533, 38457916), (574, 35710922), (1066, 19228958), (1148, 17855461), (2132, 9614479), (3731, 5493988), (7462, 2746994), (14924, 1373497)]