20765029940

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{262649}}^1$

素因数の和:262784

約数の個数: 48

約数和(自身を含む): 45007704000

約数和(自身を除く): 24242674060

約数列:

[1, 2, 4, 5, 10, 20, 59, 67, 118, 134, 236, 268, 295, 335, 590, 670, 1180, 1340, 3953, 7906, 15812, 19765, 39530, 79060, 262649, 525298, 1050596, 1313245, 2626490, 5252980, 15496291, 17597483, 30992582, 35194966, 61985164, 70389932, 77481455, 87987415, 154962910, 175974830, 309925820, 351949660, 1038251497, 2076502994, 4153005988, 5191257485, 10382514970, 20765029940]

約数ペア:

[(1, 20765029940), (2, 10382514970), (4, 5191257485), (5, 4153005988), (10, 2076502994), (20, 1038251497), (59, 351949660), (67, 309925820), (118, 175974830), (134, 154962910), (236, 87987415), (268, 77481455), (295, 70389932), (335, 61985164), (590, 35194966), (670, 30992582), (1180, 17597483), (1340, 15496291), (3953, 5252980), (7906, 2626490), (15812, 1313245), (19765, 1050596), (39530, 525298), (79060, 262649)]