20170853875

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{8707}}^1$

素因数の和:9196

約数の個数: 32

約数和(自身を含む): 25821379584

約数和(自身を除く): 5650525709

約数列:

[1, 5, 25, 43, 125, 215, 431, 1075, 2155, 5375, 8707, 10775, 18533, 43535, 53875, 92665, 217675, 374401, 463325, 1088375, 1872005, 2316625, 3752717, 9360025, 18763585, 46800125, 93817925, 161366831, 469089625, 806834155, 4034170775, 20170853875]

約数ペア:

[(1, 20170853875), (5, 4034170775), (25, 806834155), (43, 469089625), (125, 161366831), (215, 93817925), (431, 46800125), (1075, 18763585), (2155, 9360025), (5375, 3752717), (8707, 2316625), (10775, 1872005), (18533, 1088375), (43535, 463325), (53875, 374401), (92665, 217675)]