20533254

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 48142656

約数和(自身を除く): 27609402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 211, 294, 331, 422, 633, 662, 993, 1266, 1477, 1986, 2317, 2954, 4431, 4634, 6951, 8862, 10339, 13902, 16219, 20678, 31017, 32438, 48657, 62034, 69841, 97314, 139682, 209523, 419046, 488887, 977774, 1466661, 2933322, 3422209, 6844418, 10266627, 20533254]

約数ペア:

[(1, 20533254), (2, 10266627), (3, 6844418), (6, 3422209), (7, 2933322), (14, 1466661), (21, 977774), (42, 488887), (49, 419046), (98, 209523), (147, 139682), (211, 97314), (294, 69841), (331, 62034), (422, 48657), (633, 32438), (662, 31017), (993, 20678), (1266, 16219), (1477, 13902), (1986, 10339), (2317, 8862), (2954, 6951), (4431, 4634)]