9920203601

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{19541}}^1$

素因数の和:19925

約数の個数: 32

約数和(自身を含む): 13057182720

約数和(自身を除く): 3136979119

約数列:

[1, 7, 11, 19, 77, 133, 209, 347, 1463, 2429, 3817, 6593, 19541, 26719, 46151, 72523, 136787, 214951, 371279, 507661, 1504657, 2598953, 4084069, 6780727, 28588483, 47465089, 74587997, 128833813, 522115979, 901836691, 1417171943, 9920203601]

約数ペア:

[(1, 9920203601), (7, 1417171943), (11, 901836691), (19, 522115979), (77, 128833813), (133, 74587997), (209, 47465089), (347, 28588483), (1463, 6780727), (2429, 4084069), (3817, 2598953), (6593, 1504657), (19541, 507661), (26719, 371279), (46151, 214951), (72523, 136787)]