20171976

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{701}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 55598400

約数和(自身を除く): 35426424

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 109, 132, 218, 264, 327, 436, 654, 701, 872, 1199, 1308, 1402, 2103, 2398, 2616, 2804, 3597, 4206, 4796, 5608, 7194, 7711, 8412, 9592, 14388, 15422, 16824, 23133, 28776, 30844, 46266, 61688, 76409, 92532, 152818, 185064, 229227, 305636, 458454, 611272, 840499, 916908, 1680998, 1833816, 2521497, 3361996, 5042994, 6723992, 10085988, 20171976]

約数ペア:

[(1, 20171976), (2, 10085988), (3, 6723992), (4, 5042994), (6, 3361996), (8, 2521497), (11, 1833816), (12, 1680998), (22, 916908), (24, 840499), (33, 611272), (44, 458454), (66, 305636), (88, 229227), (109, 185064), (132, 152818), (218, 92532), (264, 76409), (327, 61688), (436, 46266), (654, 30844), (701, 28776), (872, 23133), (1199, 16824), (1308, 15422), (1402, 14388), (2103, 9592), (2398, 8412), (2616, 7711), (2804, 7194), (3597, 5608), (4206, 4796)]