20201393421

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{9907}}^1$

素因数の和:10446

約数の個数: 48

約数和(自身を含む): 32644085760

約数和(自身を除く): 12442692339

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 479, 1419, 1437, 4257, 4311, 5269, 9907, 15807, 20597, 29721, 47421, 61791, 89163, 108977, 185373, 226567, 326931, 426001, 679701, 980793, 1278003, 2039103, 3834009, 4686011, 4745453, 14058033, 14236359, 42174099, 42709077, 52199983, 156599949, 204054479, 469799847, 612163437, 1836490311, 2244599269, 6733797807, 20201393421]

約数ペア:

[(1, 20201393421), (3, 6733797807), (9, 2244599269), (11, 1836490311), (33, 612163437), (43, 469799847), (99, 204054479), (129, 156599949), (387, 52199983), (473, 42709077), (479, 42174099), (1419, 14236359), (1437, 14058033), (4257, 4745453), (4311, 4686011), (5269, 3834009), (9907, 2039103), (15807, 1278003), (20597, 980793), (29721, 679701), (47421, 426001), (61791, 326931), (89163, 226567), (108977, 185373)]