20144984068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1\times {\mathrm{17041}}^1$

素因数の和:17524

約数の個数: 48

約数和(自身を含む): 39132249408

約数和(自身を除く): 18987265340

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 401, 737, 802, 1474, 1604, 2948, 4411, 8822, 17041, 17644, 26867, 34082, 53734, 68164, 107468, 187451, 295537, 374902, 591074, 749804, 1141747, 1182148, 2283494, 4566988, 6833441, 12559217, 13666882, 25118434, 27333764, 50236868, 75167851, 150335702, 300671404, 457840547, 915681094, 1831362188, 5036246017, 10072492034, 20144984068]

約数ペア:

[(1, 20144984068), (2, 10072492034), (4, 5036246017), (11, 1831362188), (22, 915681094), (44, 457840547), (67, 300671404), (134, 150335702), (268, 75167851), (401, 50236868), (737, 27333764), (802, 25118434), (1474, 13666882), (1604, 12559217), (2948, 6833441), (4411, 4566988), (8822, 2283494), (17041, 1182148), (17644, 1141747), (26867, 749804), (34082, 591074), (53734, 374902), (68164, 295537), (107468, 187451)]