20120876984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193469971}}^1$

素因数の和:193469990

約数の個数: 16

約数和(自身を含む): 40628694120

約数和(自身を除く): 20507817136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193469971, 386939942, 773879884, 1547759768, 2515109623, 5030219246, 10060438492, 20120876984]

約数ペア:

[(1, 20120876984), (2, 10060438492), (4, 5030219246), (8, 2515109623), (13, 1547759768), (26, 773879884), (52, 386939942), (104, 193469971)]