20171180672

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{15331}}^1$

素因数の和:15905

約数の個数: 64

約数和(自身を含む): 42380714400

約数和(自身を除く): 22209533728

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 541, 608, 1082, 1216, 2164, 2432, 4328, 8656, 10279, 15331, 17312, 20558, 30662, 34624, 41116, 61324, 69248, 82232, 122648, 164464, 245296, 291289, 328928, 490592, 582578, 657856, 981184, 1165156, 1315712, 1962368, 2330312, 4660624, 8294071, 9321248, 16588142, 18642496, 33176284, 37284992, 66352568, 132705136, 157587349, 265410272, 315174698, 530820544, 630349396, 1061641088, 1260698792, 2521397584, 5042795168, 10085590336, 20171180672]

約数ペア:

[(1, 20171180672), (2, 10085590336), (4, 5042795168), (8, 2521397584), (16, 1260698792), (19, 1061641088), (32, 630349396), (38, 530820544), (64, 315174698), (76, 265410272), (128, 157587349), (152, 132705136), (304, 66352568), (541, 37284992), (608, 33176284), (1082, 18642496), (1216, 16588142), (2164, 9321248), (2432, 8294071), (4328, 4660624), (8656, 2330312), (10279, 1962368), (15331, 1315712), (17312, 1165156), (20558, 981184), (30662, 657856), (34624, 582578), (41116, 490592), (61324, 328928), (69248, 291289), (82232, 245296), (122648, 164464)]