20174977816

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{130579}}^1$

素因数の和:130712

約数の個数: 64

約数和(自身を含む): 45128448000

約数和(自身を除く): 24953470184

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 89, 124, 178, 217, 248, 356, 434, 623, 712, 868, 1246, 1736, 2492, 2759, 4984, 5518, 11036, 19313, 22072, 38626, 77252, 130579, 154504, 261158, 522316, 914053, 1044632, 1828106, 3656212, 4047949, 7312424, 8095898, 11621531, 16191796, 23243062, 28335643, 32383592, 46486124, 56671286, 81350717, 92972248, 113342572, 162701434, 226685144, 325402868, 360267461, 650805736, 720534922, 1441069844, 2521872227, 2882139688, 5043744454, 10087488908, 20174977816]

約数ペア:

[(1, 20174977816), (2, 10087488908), (4, 5043744454), (7, 2882139688), (8, 2521872227), (14, 1441069844), (28, 720534922), (31, 650805736), (56, 360267461), (62, 325402868), (89, 226685144), (124, 162701434), (178, 113342572), (217, 92972248), (248, 81350717), (356, 56671286), (434, 46486124), (623, 32383592), (712, 28335643), (868, 23243062), (1246, 16191796), (1736, 11621531), (2492, 8095898), (2759, 7312424), (4984, 4047949), (5518, 3656212), (11036, 1828106), (19313, 1044632), (22072, 914053), (38626, 522316), (77252, 261158), (130579, 154504)]