20165673536

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{571}}^1$

素因数の和:980

約数の個数: 112

約数和(自身を含む): 42153279168

約数和(自身を除く): 21987605632

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 64, 82, 86, 164, 172, 313, 328, 344, 571, 626, 656, 688, 1142, 1252, 1312, 1376, 1763, 2284, 2504, 2624, 2752, 3526, 4568, 5008, 7052, 9136, 10016, 12833, 13459, 14104, 18272, 20032, 23411, 24553, 25666, 26918, 28208, 36544, 46822, 49106, 51332, 53836, 56416, 93644, 98212, 102664, 107672, 112832, 178723, 187288, 196424, 205328, 215344, 357446, 374576, 392848, 410656, 430688, 551819, 714892, 749152, 785696, 821312, 861376, 1006673, 1103638, 1429784, 1498304, 1571392, 2013346, 2207276, 2859568, 4026692, 4414552, 5719136, 7327643, 7685089, 8053384, 8829104, 11438272, 14655286, 15370178, 16106768, 17658208, 29310572, 30740356, 32213536, 35316416, 58621144, 61480712, 64427072, 117242288, 122961424, 234484576, 245922848, 315088649, 468969152, 491845696, 630177298, 1260354596, 2520709192, 5041418384, 10082836768, 20165673536]

約数ペア:

[(1, 20165673536), (2, 10082836768), (4, 5041418384), (8, 2520709192), (16, 1260354596), (32, 630177298), (41, 491845696), (43, 468969152), (64, 315088649), (82, 245922848), (86, 234484576), (164, 122961424), (172, 117242288), (313, 64427072), (328, 61480712), (344, 58621144), (571, 35316416), (626, 32213536), (656, 30740356), (688, 29310572), (1142, 17658208), (1252, 16106768), (1312, 15370178), (1376, 14655286), (1763, 11438272), (2284, 8829104), (2504, 8053384), (2624, 7685089), (2752, 7327643), (3526, 5719136), (4568, 4414552), (5008, 4026692), (7052, 2859568), (9136, 2207276), (10016, 2013346), (12833, 1571392), (13459, 1498304), (14104, 1429784), (18272, 1103638), (20032, 1006673), (23411, 861376), (24553, 821312), (25666, 785696), (26918, 749152), (28208, 714892), (36544, 551819), (46822, 430688), (49106, 410656), (51332, 392848), (53836, 374576), (56416, 357446), (93644, 215344), (98212, 205328), (102664, 196424), (107672, 187288), (112832, 178723)]