20405688

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{27427}}^1$

素因数の和:27467

約数の個数: 32

約数和(自身を含む): 52661760

約数和(自身を除く): 32256072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 27427, 54854, 82281, 109708, 164562, 219416, 329124, 658248, 850237, 1700474, 2550711, 3400948, 5101422, 6801896, 10202844, 20405688]

約数ペア:

[(1, 20405688), (2, 10202844), (3, 6801896), (4, 5101422), (6, 3400948), (8, 2550711), (12, 1700474), (24, 850237), (31, 658248), (62, 329124), (93, 219416), (124, 164562), (186, 109708), (248, 82281), (372, 54854), (744, 27427)]