20133752720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4125769}}^1$

素因数の和:4125843

約数の個数: 40

約数和(自身を含む): 47578379640

約数和(自身を除く): 27444626920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 4125769, 8251538, 16503076, 20628845, 33006152, 41257690, 66012304, 82515380, 165030760, 251671909, 330061520, 503343818, 1006687636, 1258359545, 2013375272, 2516719090, 4026750544, 5033438180, 10066876360, 20133752720]

約数ペア:

[(1, 20133752720), (2, 10066876360), (4, 5033438180), (5, 4026750544), (8, 2516719090), (10, 2013375272), (16, 1258359545), (20, 1006687636), (40, 503343818), (61, 330061520), (80, 251671909), (122, 165030760), (244, 82515380), (305, 66012304), (488, 41257690), (610, 33006152), (976, 20628845), (1220, 16503076), (2440, 8251538), (4880, 4125769)]