20891178

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15073}}^1$

素因数の和:15099

約数の個数: 48

約数和(自身を含む): 56437056

約数和(自身を除く): 35545878

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15073, 30146, 45219, 90438, 105511, 135657, 165803, 211022, 271314, 316533, 331606, 497409, 633066, 949599, 994818, 1160621, 1492227, 1899198, 2321242, 2984454, 3481863, 6963726, 10445589, 20891178]

約数ペア:

[(1, 20891178), (2, 10445589), (3, 6963726), (6, 3481863), (7, 2984454), (9, 2321242), (11, 1899198), (14, 1492227), (18, 1160621), (21, 994818), (22, 949599), (33, 633066), (42, 497409), (63, 331606), (66, 316533), (77, 271314), (99, 211022), (126, 165803), (154, 135657), (198, 105511), (231, 90438), (462, 45219), (693, 30146), (1386, 15073)]