20441120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18251}}^1$

素因数の和:18273

約数の個数: 48

約数和(自身を含む): 55194048

約数和(自身を除く): 34752928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18251, 36502, 73004, 91255, 127757, 146008, 182510, 255514, 292016, 365020, 511028, 584032, 638785, 730040, 1022056, 1277570, 1460080, 2044112, 2555140, 2920160, 4088224, 5110280, 10220560, 20441120]

約数ペア:

[(1, 20441120), (2, 10220560), (4, 5110280), (5, 4088224), (7, 2920160), (8, 2555140), (10, 2044112), (14, 1460080), (16, 1277570), (20, 1022056), (28, 730040), (32, 638785), (35, 584032), (40, 511028), (56, 365020), (70, 292016), (80, 255514), (112, 182510), (140, 146008), (160, 127757), (224, 91255), (280, 73004), (560, 36502), (1120, 18251)]