20865923604

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{509}}^1\times {\mathrm{7253}}^1$

素因数の和:7929

約数の個数: 72

約数和(自身を含む): 53191986120

約数和(自身を除く): 32326062516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 509, 628, 942, 1018, 1413, 1527, 1884, 2036, 2826, 3054, 4581, 5652, 6108, 7253, 9162, 14506, 18324, 21759, 29012, 43518, 65277, 79913, 87036, 130554, 159826, 239739, 261108, 319652, 479478, 719217, 958956, 1138721, 1438434, 2277442, 2876868, 3416163, 3691777, 4554884, 6832326, 7383554, 10248489, 11075331, 13664652, 14767108, 20496978, 22150662, 33225993, 40993956, 44301324, 66451986, 132903972, 579608989, 1159217978, 1738826967, 2318435956, 3477653934, 5216480901, 6955307868, 10432961802, 20865923604]

約数ペア:

[(1, 20865923604), (2, 10432961802), (3, 6955307868), (4, 5216480901), (6, 3477653934), (9, 2318435956), (12, 1738826967), (18, 1159217978), (36, 579608989), (157, 132903972), (314, 66451986), (471, 44301324), (509, 40993956), (628, 33225993), (942, 22150662), (1018, 20496978), (1413, 14767108), (1527, 13664652), (1884, 11075331), (2036, 10248489), (2826, 7383554), (3054, 6832326), (4581, 4554884), (5652, 3691777), (6108, 3416163), (7253, 2876868), (9162, 2277442), (14506, 1438434), (18324, 1138721), (21759, 958956), (29012, 719217), (43518, 479478), (65277, 319652), (79913, 261108), (87036, 239739), (130554, 159826)]