20157921152

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{11701}}^1$

素因数の和:12071

約数の個数: 64

約数和(自身を含む): 41227082160

約数和(自身を除く): 21069161008

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 313, 344, 626, 688, 1252, 1376, 2504, 2752, 5008, 5504, 10016, 11701, 13459, 20032, 23402, 26918, 40064, 46804, 53836, 93608, 107672, 187216, 215344, 374432, 430688, 503143, 748864, 861376, 1006286, 1497728, 1722752, 2012572, 3662413, 4025144, 7324826, 8050288, 14649652, 16100576, 29299304, 32201152, 58598608, 64402304, 117197216, 157483759, 234394432, 314967518, 468788864, 629935036, 1259870072, 2519740144, 5039480288, 10078960576, 20157921152]

約数ペア:

[(1, 20157921152), (2, 10078960576), (4, 5039480288), (8, 2519740144), (16, 1259870072), (32, 629935036), (43, 468788864), (64, 314967518), (86, 234394432), (128, 157483759), (172, 117197216), (313, 64402304), (344, 58598608), (626, 32201152), (688, 29299304), (1252, 16100576), (1376, 14649652), (2504, 8050288), (2752, 7324826), (5008, 4025144), (5504, 3662413), (10016, 2012572), (11701, 1722752), (13459, 1497728), (20032, 1006286), (23402, 861376), (26918, 748864), (40064, 503143), (46804, 430688), (53836, 374432), (93608, 215344), (107672, 187216)]