20478438

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{66923}}^1$

素因数の和:66948

約数の個数: 24

約数和(自身を含む): 46980648

約数和(自身を除く): 26502210

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 66923, 133846, 200769, 401538, 602307, 1137691, 1204614, 2275382, 3413073, 6826146, 10239219, 20478438]

約数ペア:

[(1, 20478438), (2, 10239219), (3, 6826146), (6, 3413073), (9, 2275382), (17, 1204614), (18, 1137691), (34, 602307), (51, 401538), (102, 200769), (153, 133846), (306, 66923)]