20283452

素因数分解:

$2^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{433}}^1$

素因数の和:690

約数の個数: 36

約数和(自身を含む): 41559840

約数和(自身を除く): 21276388

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 239, 433, 478, 866, 956, 1673, 1732, 3031, 3346, 6062, 6692, 11711, 12124, 21217, 23422, 42434, 46844, 84868, 103487, 206974, 413948, 724409, 1448818, 2897636, 5070863, 10141726, 20283452]

約数ペア:

[(1, 20283452), (2, 10141726), (4, 5070863), (7, 2897636), (14, 1448818), (28, 724409), (49, 413948), (98, 206974), (196, 103487), (239, 84868), (433, 46844), (478, 42434), (866, 23422), (956, 21217), (1673, 12124), (1732, 11711), (3031, 6692), (3346, 6062)]