20072479679

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1\times {\mathrm{1049}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 23707622400

約数和(自身を除く): 3635142721

約数列:

[1, 7, 43, 151, 301, 421, 1049, 1057, 2947, 6493, 7343, 18103, 45107, 45451, 63571, 126721, 158399, 315749, 441629, 444997, 1108793, 2733553, 3091403, 6811157, 18990047, 19134871, 47678099, 66685979, 132930329, 466801853, 2867497097, 20072479679]

約数ペア:

[(1, 20072479679), (7, 2867497097), (43, 466801853), (151, 132930329), (301, 66685979), (421, 47678099), (1049, 19134871), (1057, 18990047), (2947, 6811157), (6493, 3091403), (7343, 2733553), (18103, 1108793), (45107, 444997), (45451, 441629), (63571, 315749), (126721, 158399)]