20161321968

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{751}}^1\times {\mathrm{24317}}^1$

素因数の和:25102

約数の個数: 80

約数和(自身を含む): 54422516736

約数和(自身を除く): 34261194768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 751, 1104, 1502, 2253, 3004, 4506, 6008, 9012, 12016, 17273, 18024, 24317, 34546, 36048, 48634, 51819, 69092, 72951, 97268, 103638, 138184, 145902, 194536, 207276, 276368, 291804, 389072, 414552, 559291, 583608, 829104, 1118582, 1167216, 1677873, 2237164, 3355746, 4474328, 6711492, 8948656, 13422984, 18262067, 26845968, 36524134, 54786201, 73048268, 109572402, 146096536, 219144804, 292193072, 420027541, 438289608, 840055082, 876579216, 1260082623, 1680110164, 2520165246, 3360220328, 5040330492, 6720440656, 10080660984, 20161321968]

約数ペア:

[(1, 20161321968), (2, 10080660984), (3, 6720440656), (4, 5040330492), (6, 3360220328), (8, 2520165246), (12, 1680110164), (16, 1260082623), (23, 876579216), (24, 840055082), (46, 438289608), (48, 420027541), (69, 292193072), (92, 219144804), (138, 146096536), (184, 109572402), (276, 73048268), (368, 54786201), (552, 36524134), (751, 26845968), (1104, 18262067), (1502, 13422984), (2253, 8948656), (3004, 6711492), (4506, 4474328), (6008, 3355746), (9012, 2237164), (12016, 1677873), (17273, 1167216), (18024, 1118582), (24317, 829104), (34546, 583608), (36048, 559291), (48634, 414552), (51819, 389072), (69092, 291804), (72951, 276368), (97268, 207276), (103638, 194536), (138184, 145902)]