20378271

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 28972944

約数和(自身を除く): 8594673

約数列:

[1, 3, 29, 41, 87, 123, 197, 591, 841, 1189, 2523, 3567, 5713, 8077, 17139, 24231, 34481, 103443, 165677, 234233, 497031, 702699, 6792757, 20378271]

約数ペア:

[(1, 20378271), (3, 6792757), (29, 702699), (41, 497031), (87, 234233), (123, 165677), (197, 103443), (591, 34481), (841, 24231), (1189, 17139), (2523, 8077), (3567, 5713)]