20109842964

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{42457}}^1$

素因数の和:42749

約数の個数: 72

約数和(自身を含む): 51927832320

約数和(自身を除く): 31817989356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 223, 236, 354, 446, 531, 669, 708, 892, 1062, 1338, 2007, 2124, 2676, 4014, 8028, 13157, 26314, 39471, 42457, 52628, 78942, 84914, 118413, 127371, 157884, 169828, 236826, 254742, 382113, 473652, 509484, 764226, 1528452, 2504963, 5009926, 7514889, 9467911, 10019852, 15029778, 18935822, 22544667, 28403733, 30059556, 37871644, 45089334, 56807466, 85211199, 90178668, 113614932, 170422398, 340844796, 558606749, 1117213498, 1675820247, 2234426996, 3351640494, 5027460741, 6703280988, 10054921482, 20109842964]

約数ペア:

[(1, 20109842964), (2, 10054921482), (3, 6703280988), (4, 5027460741), (6, 3351640494), (9, 2234426996), (12, 1675820247), (18, 1117213498), (36, 558606749), (59, 340844796), (118, 170422398), (177, 113614932), (223, 90178668), (236, 85211199), (354, 56807466), (446, 45089334), (531, 37871644), (669, 30059556), (708, 28403733), (892, 22544667), (1062, 18935822), (1338, 15029778), (2007, 10019852), (2124, 9467911), (2676, 7514889), (4014, 5009926), (8028, 2504963), (13157, 1528452), (26314, 764226), (39471, 509484), (42457, 473652), (52628, 382113), (78942, 254742), (84914, 236826), (118413, 169828), (127371, 157884)]