20442862076

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{127931}}^1$

素因数の和:128394

約数の個数: 48

約数和(自身を含む): 44131422720

約数和(自身を除く): 23688560644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 439, 878, 1756, 3073, 5707, 6146, 11414, 12292, 22828, 39949, 79898, 127931, 159796, 255862, 511724, 895517, 1663103, 1791034, 3326206, 3582068, 6652412, 11641721, 23283442, 46566884, 56161709, 112323418, 224646836, 393131963, 730102217, 786263926, 1460204434, 1572527852, 2920408868, 5110715519, 10221431038, 20442862076]

約数ペア:

[(1, 20442862076), (2, 10221431038), (4, 5110715519), (7, 2920408868), (13, 1572527852), (14, 1460204434), (26, 786263926), (28, 730102217), (52, 393131963), (91, 224646836), (182, 112323418), (364, 56161709), (439, 46566884), (878, 23283442), (1756, 11641721), (3073, 6652412), (5707, 3582068), (6146, 3326206), (11414, 1791034), (12292, 1663103), (22828, 895517), (39949, 511724), (79898, 255862), (127931, 159796)]