20196916168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{248657}}^1$

素因数の和:248758

約数の個数: 64

約数和(自身を含む): 45116507520

約数和(自身を除く): 24919591352

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 284, 286, 568, 572, 781, 923, 1144, 1562, 1846, 3124, 3692, 6248, 7384, 10153, 20306, 40612, 81224, 248657, 497314, 994628, 1989256, 2735227, 3232541, 5470454, 6465082, 10940908, 12930164, 17654647, 21881816, 25860328, 35309294, 35557951, 70618588, 71115902, 141237176, 142231804, 194201117, 229510411, 284463608, 388402234, 459020822, 776804468, 918041644, 1553608936, 1836083288, 2524614521, 5049229042, 10098458084, 20196916168]

約数ペア:

[(1, 20196916168), (2, 10098458084), (4, 5049229042), (8, 2524614521), (11, 1836083288), (13, 1553608936), (22, 918041644), (26, 776804468), (44, 459020822), (52, 388402234), (71, 284463608), (88, 229510411), (104, 194201117), (142, 142231804), (143, 141237176), (284, 71115902), (286, 70618588), (568, 35557951), (572, 35309294), (781, 25860328), (923, 21881816), (1144, 17654647), (1562, 12930164), (1846, 10940908), (3124, 6465082), (3692, 5470454), (6248, 3232541), (7384, 2735227), (10153, 1989256), (20306, 994628), (40612, 497314), (81224, 248657)]