20120502656

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{1669}}^1\times {\mathrm{4957}}^1$

素因数の和:6659

約数の個数: 64

約数和(自身を含む): 42227286000

約数和(自身を除く): 22106783344

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 1669, 2432, 3338, 4957, 6676, 9914, 13352, 19828, 26704, 31711, 39656, 53408, 63422, 79312, 94183, 106816, 126844, 158624, 188366, 213632, 253688, 317248, 376732, 507376, 634496, 753464, 1014752, 1506928, 2029504, 3013856, 4059008, 6027712, 8273233, 12055424, 16546466, 33092932, 66185864, 132371728, 157191427, 264743456, 314382854, 529486912, 628765708, 1058973824, 1257531416, 2515062832, 5030125664, 10060251328, 20120502656]

約数ペア:

[(1, 20120502656), (2, 10060251328), (4, 5030125664), (8, 2515062832), (16, 1257531416), (19, 1058973824), (32, 628765708), (38, 529486912), (64, 314382854), (76, 264743456), (128, 157191427), (152, 132371728), (304, 66185864), (608, 33092932), (1216, 16546466), (1669, 12055424), (2432, 8273233), (3338, 6027712), (4957, 4059008), (6676, 3013856), (9914, 2029504), (13352, 1506928), (19828, 1014752), (26704, 753464), (31711, 634496), (39656, 507376), (53408, 376732), (63422, 317248), (79312, 253688), (94183, 213632), (106816, 188366), (126844, 158624)]