20854416

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 59424768

約数和(自身を除く): 38570352

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 127, 132, 176, 254, 264, 311, 381, 508, 528, 622, 762, 933, 1016, 1244, 1397, 1524, 1866, 2032, 2488, 2794, 3048, 3421, 3732, 4191, 4976, 5588, 6096, 6842, 7464, 8382, 10263, 11176, 13684, 14928, 16764, 20526, 22352, 27368, 33528, 39497, 41052, 54736, 67056, 78994, 82104, 118491, 157988, 164208, 236982, 315976, 434467, 473964, 631952, 868934, 947928, 1303401, 1737868, 1895856, 2606802, 3475736, 5213604, 6951472, 10427208, 20854416]

約数ペア:

[(1, 20854416), (2, 10427208), (3, 6951472), (4, 5213604), (6, 3475736), (8, 2606802), (11, 1895856), (12, 1737868), (16, 1303401), (22, 947928), (24, 868934), (33, 631952), (44, 473964), (48, 434467), (66, 315976), (88, 236982), (127, 164208), (132, 157988), (176, 118491), (254, 82104), (264, 78994), (311, 67056), (381, 54736), (508, 41052), (528, 39497), (622, 33528), (762, 27368), (933, 22352), (1016, 20526), (1244, 16764), (1397, 14928), (1524, 13684), (1866, 11176), (2032, 10263), (2488, 8382), (2794, 7464), (3048, 6842), (3421, 6096), (3732, 5588), (4191, 4976)]