20145753040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35974559}}^1$

素因数の和:35974579

約数の個数: 40

約数和(自身を含む): 53530145280

約数和(自身を除く): 33384392240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35974559, 71949118, 143898236, 179872795, 251821913, 287796472, 359745590, 503643826, 575592944, 719491180, 1007287652, 1259109565, 1438982360, 2014575304, 2518219130, 2877964720, 4029150608, 5036438260, 10072876520, 20145753040]

約数ペア:

[(1, 20145753040), (2, 10072876520), (4, 5036438260), (5, 4029150608), (7, 2877964720), (8, 2518219130), (10, 2014575304), (14, 1438982360), (16, 1259109565), (20, 1007287652), (28, 719491180), (35, 575592944), (40, 503643826), (56, 359745590), (70, 287796472), (80, 251821913), (112, 179872795), (140, 143898236), (280, 71949118), (560, 35974559)]