20508717213

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{150323}}^1$

素因数の和:150526

約数の個数: 32

約数和(自身を含む): 31556014080

約数和(自身を除く): 11047296867

約数列:

[1, 3, 9, 27, 31, 93, 163, 279, 489, 837, 1467, 4401, 5053, 15159, 45477, 136431, 150323, 450969, 1352907, 4058721, 4660013, 13980039, 24502649, 41940117, 73507947, 125820351, 220523841, 661571523, 759582119, 2278746357, 6836239071, 20508717213]

約数ペア:

[(1, 20508717213), (3, 6836239071), (9, 2278746357), (27, 759582119), (31, 661571523), (93, 220523841), (163, 125820351), (279, 73507947), (489, 41940117), (837, 24502649), (1467, 13980039), (4401, 4660013), (5053, 4058721), (15159, 1352907), (45477, 450969), (136431, 150323)]