20876988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1451}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 53665920

約数和(自身を除く): 32788932

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 109, 132, 218, 327, 436, 654, 1199, 1308, 1451, 2398, 2902, 3597, 4353, 4796, 5804, 7194, 8706, 14388, 15961, 17412, 31922, 47883, 63844, 95766, 158159, 191532, 316318, 474477, 632636, 948954, 1739749, 1897908, 3479498, 5219247, 6958996, 10438494, 20876988]

約数ペア:

[(1, 20876988), (2, 10438494), (3, 6958996), (4, 5219247), (6, 3479498), (11, 1897908), (12, 1739749), (22, 948954), (33, 632636), (44, 474477), (66, 316318), (109, 191532), (132, 158159), (218, 95766), (327, 63844), (436, 47883), (654, 31922), (1199, 17412), (1308, 15961), (1451, 14388), (2398, 8706), (2902, 7194), (3597, 5804), (4353, 4796)]