20127839956

素因数分解:

$2^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{3313}}^1$

素因数の和:3693

約数の個数: 72

約数和(自身を含む): 41466888960

約数和(自身を除く): 21339049004

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 223, 278, 446, 556, 892, 973, 1561, 1946, 3122, 3313, 3892, 6244, 6626, 6811, 10927, 13252, 13622, 21854, 23191, 27244, 30997, 43708, 46382, 61994, 92764, 123988, 162337, 216979, 324674, 433958, 460507, 649348, 738799, 867916, 921014, 1477598, 1518853, 1842028, 2955196, 3037706, 3223549, 5171593, 6075412, 6447098, 10343186, 12894196, 20686372, 22564843, 36201151, 45129686, 72402302, 90259372, 102693061, 144804604, 205386122, 410772244, 718851427, 1437702854, 2875405708, 5031959989, 10063919978, 20127839956]

約数ペア:

[(1, 20127839956), (2, 10063919978), (4, 5031959989), (7, 2875405708), (14, 1437702854), (28, 718851427), (49, 410772244), (98, 205386122), (139, 144804604), (196, 102693061), (223, 90259372), (278, 72402302), (446, 45129686), (556, 36201151), (892, 22564843), (973, 20686372), (1561, 12894196), (1946, 10343186), (3122, 6447098), (3313, 6075412), (3892, 5171593), (6244, 3223549), (6626, 3037706), (6811, 2955196), (10927, 1842028), (13252, 1518853), (13622, 1477598), (21854, 921014), (23191, 867916), (27244, 738799), (30997, 649348), (43708, 460507), (46382, 433958), (61994, 324674), (92764, 216979), (123988, 162337)]