20557872

素因数分解:

$2^4\times 3^2\times {\mathrm{367}}^1\times {\mathrm{389}}^1$

素因数の和:770

約数の個数: 60

約数和(自身を含む): 57838560

約数和(自身を除く): 37280688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 367, 389, 734, 778, 1101, 1167, 1468, 1556, 2202, 2334, 2936, 3112, 3303, 3501, 4404, 4668, 5872, 6224, 6606, 7002, 8808, 9336, 13212, 14004, 17616, 18672, 26424, 28008, 52848, 56016, 142763, 285526, 428289, 571052, 856578, 1142104, 1284867, 1713156, 2284208, 2569734, 3426312, 5139468, 6852624, 10278936, 20557872]

約数ペア:

[(1, 20557872), (2, 10278936), (3, 6852624), (4, 5139468), (6, 3426312), (8, 2569734), (9, 2284208), (12, 1713156), (16, 1284867), (18, 1142104), (24, 856578), (36, 571052), (48, 428289), (72, 285526), (144, 142763), (367, 56016), (389, 52848), (734, 28008), (778, 26424), (1101, 18672), (1167, 17616), (1468, 14004), (1556, 13212), (2202, 9336), (2334, 8808), (2936, 7002), (3112, 6606), (3303, 6224), (3501, 5872), (4404, 4668)]