20806030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12923}}^1$

素因数の和:12960

約数の個数: 32

約数和(自身を含む): 44665344

約数和(自身を除く): 23859314

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12923, 25846, 64615, 90461, 129230, 180922, 297229, 452305, 594458, 904610, 1486145, 2080603, 2972290, 4161206, 10403015, 20806030]

約数ペア:

[(1, 20806030), (2, 10403015), (5, 4161206), (7, 2972290), (10, 2080603), (14, 1486145), (23, 904610), (35, 594458), (46, 452305), (70, 297229), (115, 180922), (161, 129230), (230, 90461), (322, 64615), (805, 25846), (1610, 12923)]