20734016

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 84

約数和(自身を含む): 46786800

約数和(自身を除く): 26052784

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 59, 64, 68, 76, 118, 136, 152, 236, 272, 289, 304, 323, 472, 544, 578, 608, 646, 944, 1003, 1088, 1121, 1156, 1216, 1292, 1888, 2006, 2242, 2312, 2584, 3776, 4012, 4484, 4624, 5168, 5491, 8024, 8968, 9248, 10336, 10982, 16048, 17051, 17936, 18496, 19057, 20672, 21964, 32096, 34102, 35872, 38114, 43928, 64192, 68204, 71744, 76228, 87856, 136408, 152456, 175712, 272816, 304912, 323969, 351424, 545632, 609824, 647938, 1091264, 1219648, 1295876, 2591752, 5183504, 10367008, 20734016]

約数ペア:

[(1, 20734016), (2, 10367008), (4, 5183504), (8, 2591752), (16, 1295876), (17, 1219648), (19, 1091264), (32, 647938), (34, 609824), (38, 545632), (59, 351424), (64, 323969), (68, 304912), (76, 272816), (118, 175712), (136, 152456), (152, 136408), (236, 87856), (272, 76228), (289, 71744), (304, 68204), (323, 64192), (472, 43928), (544, 38114), (578, 35872), (608, 34102), (646, 32096), (944, 21964), (1003, 20672), (1088, 19057), (1121, 18496), (1156, 17936), (1216, 17051), (1292, 16048), (1888, 10982), (2006, 10336), (2242, 9248), (2312, 8968), (2584, 8024), (3776, 5491), (4012, 5168), (4484, 4624)]