20685714728

素因数分解:

$2^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1153}}^1\times {\mathrm{1399}}^1$

素因数の和:2794

約数の個数: 64

約数和(自身を含む): 44590560000

約数和(自身を除く): 23904845272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 229, 458, 916, 1153, 1399, 1603, 1832, 2306, 2798, 3206, 4612, 5596, 6412, 8071, 9224, 9793, 11192, 12824, 16142, 19586, 32284, 39172, 64568, 78344, 264037, 320371, 528074, 640742, 1056148, 1281484, 1613047, 1848259, 2112296, 2242597, 2562968, 3226094, 3696518, 4485194, 6452188, 7393036, 8970388, 11291329, 12904376, 14786072, 17940776, 22582658, 45165316, 90330632, 369387763, 738775526, 1477551052, 2585714341, 2955102104, 5171428682, 10342857364, 20685714728]

約数ペア:

[(1, 20685714728), (2, 10342857364), (4, 5171428682), (7, 2955102104), (8, 2585714341), (14, 1477551052), (28, 738775526), (56, 369387763), (229, 90330632), (458, 45165316), (916, 22582658), (1153, 17940776), (1399, 14786072), (1603, 12904376), (1832, 11291329), (2306, 8970388), (2798, 7393036), (3206, 6452188), (4612, 4485194), (5596, 3696518), (6412, 3226094), (8071, 2562968), (9224, 2242597), (9793, 2112296), (11192, 1848259), (12824, 1613047), (16142, 1281484), (19586, 1056148), (32284, 640742), (39172, 528074), (64568, 320371), (78344, 264037)]