20699618932

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{7867}}^1$

素因数の和:8368

約数の個数: 48

約数和(自身を含む): 38663352000

約数和(自身を除く): 17963733068

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 389, 778, 1556, 1691, 3382, 6764, 7391, 7867, 14782, 15734, 29564, 31468, 34621, 69242, 138484, 149473, 298946, 597892, 657799, 700163, 1315598, 1400326, 2631196, 2800652, 3060263, 6120526, 12241052, 13303097, 26606194, 53212388, 58144997, 116289994, 232579988, 272363407, 544726814, 1089453628, 5174904733, 10349809466, 20699618932]

約数ペア:

[(1, 20699618932), (2, 10349809466), (4, 5174904733), (19, 1089453628), (38, 544726814), (76, 272363407), (89, 232579988), (178, 116289994), (356, 58144997), (389, 53212388), (778, 26606194), (1556, 13303097), (1691, 12241052), (3382, 6120526), (6764, 3060263), (7391, 2800652), (7867, 2631196), (14782, 1400326), (15734, 1315598), (29564, 700163), (31468, 657799), (34621, 597892), (69242, 298946), (138484, 149473)]