20121482628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{76367}}^1$

素因数の和:76953

約数の個数: 72

約数和(自身を含む): 54873157248

約数和(自身を除く): 34751674620

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 563, 1126, 1689, 2252, 3378, 5067, 6756, 7319, 10134, 14638, 20268, 21957, 29276, 43914, 65871, 76367, 87828, 131742, 152734, 229101, 263484, 305468, 458202, 687303, 916404, 992771, 1374606, 1985542, 2749212, 2978313, 3971084, 5956626, 8934939, 11913252, 17869878, 35739756, 42994621, 85989242, 128983863, 171978484, 257967726, 386951589, 515935452, 558930073, 773903178, 1117860146, 1547806356, 1676790219, 2235720292, 3353580438, 5030370657, 6707160876, 10060741314, 20121482628]

約数ペア:

[(1, 20121482628), (2, 10060741314), (3, 6707160876), (4, 5030370657), (6, 3353580438), (9, 2235720292), (12, 1676790219), (13, 1547806356), (18, 1117860146), (26, 773903178), (36, 558930073), (39, 515935452), (52, 386951589), (78, 257967726), (117, 171978484), (156, 128983863), (234, 85989242), (468, 42994621), (563, 35739756), (1126, 17869878), (1689, 11913252), (2252, 8934939), (3378, 5956626), (5067, 3971084), (6756, 2978313), (7319, 2749212), (10134, 1985542), (14638, 1374606), (20268, 992771), (21957, 916404), (29276, 687303), (43914, 458202), (65871, 305468), (76367, 263484), (87828, 229101), (131742, 152734)]