20144678408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1907}}^1\times {\mathrm{69497}}^1$

素因数の和:71429

約数の個数: 32

約数和(自身を含む): 39780655200

約数和(自身を除く): 19635976792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1907, 3814, 7628, 15256, 36233, 69497, 72466, 138994, 144932, 277988, 289864, 555976, 1320443, 2640886, 5281772, 10563544, 132530779, 265061558, 530123116, 1060246232, 2518084801, 5036169602, 10072339204, 20144678408]

約数ペア:

[(1, 20144678408), (2, 10072339204), (4, 5036169602), (8, 2518084801), (19, 1060246232), (38, 530123116), (76, 265061558), (152, 132530779), (1907, 10563544), (3814, 5281772), (7628, 2640886), (15256, 1320443), (36233, 555976), (69497, 289864), (72466, 277988), (138994, 144932)]