20154571775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1667}}^1\times {\mathrm{37201}}^1$

素因数の和:38891

約数の個数: 24

約数和(自身を含む): 26930974224

約数和(自身を除く): 6776402449

約数列:

[1, 5, 13, 25, 65, 325, 1667, 8335, 21671, 37201, 41675, 108355, 186005, 483613, 541775, 930025, 2418065, 12090325, 62014067, 310070335, 806182871, 1550351675, 4030914355, 20154571775]

約数ペア:

[(1, 20154571775), (5, 4030914355), (13, 1550351675), (25, 806182871), (65, 310070335), (325, 62014067), (1667, 12090325), (8335, 2418065), (21671, 930025), (37201, 541775), (41675, 483613), (108355, 186005)]