20767070860

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1\times {\mathrm{10627}}^1$

素因数の和:11326

約数の個数: 48

約数和(自身を含む): 43923398400

約数和(自身を除く): 23156327540

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 491, 796, 982, 995, 1964, 1990, 2455, 3980, 4910, 9820, 10627, 21254, 42508, 53135, 97709, 106270, 195418, 212540, 390836, 488545, 977090, 1954180, 2114773, 4229546, 5217857, 8459092, 10435714, 10573865, 20871428, 21147730, 26089285, 42295460, 52178570, 104357140, 1038353543, 2076707086, 4153414172, 5191767715, 10383535430, 20767070860]

約数ペア:

[(1, 20767070860), (2, 10383535430), (4, 5191767715), (5, 4153414172), (10, 2076707086), (20, 1038353543), (199, 104357140), (398, 52178570), (491, 42295460), (796, 26089285), (982, 21147730), (995, 20871428), (1964, 10573865), (1990, 10435714), (2455, 8459092), (3980, 5217857), (4910, 4229546), (9820, 2114773), (10627, 1954180), (21254, 977090), (42508, 488545), (53135, 390836), (97709, 212540), (106270, 195418)]