20145309844

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{467669}}^1$

素因数の和:467784

約数の個数: 36

約数和(自身を含む): 39186069300

約数和(自身を除く): 19040759456

約数列:

[1, 2, 4, 11, 22, 44, 89, 121, 178, 242, 356, 484, 979, 1958, 3916, 10769, 21538, 43076, 467669, 935338, 1870676, 5144359, 10288718, 20577436, 41622541, 56587949, 83245082, 113175898, 166490164, 226351796, 457847951, 915695902, 1831391804, 5036327461, 10072654922, 20145309844]

約数ペア:

[(1, 20145309844), (2, 10072654922), (4, 5036327461), (11, 1831391804), (22, 915695902), (44, 457847951), (89, 226351796), (121, 166490164), (178, 113175898), (242, 83245082), (356, 56587949), (484, 41622541), (979, 20577436), (1958, 10288718), (3916, 5144359), (10769, 1870676), (21538, 935338), (43076, 467669)]