20370340

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 44372160

約数和(自身を除く): 24001820

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 283, 295, 305, 566, 590, 610, 1132, 1180, 1220, 1415, 2830, 3599, 5660, 7198, 14396, 16697, 17263, 17995, 33394, 34526, 35990, 66788, 69052, 71980, 83485, 86315, 166970, 172630, 333940, 345260, 1018517, 2037034, 4074068, 5092585, 10185170, 20370340]

約数ペア:

[(1, 20370340), (2, 10185170), (4, 5092585), (5, 4074068), (10, 2037034), (20, 1018517), (59, 345260), (61, 333940), (118, 172630), (122, 166970), (236, 86315), (244, 83485), (283, 71980), (295, 69052), (305, 66788), (566, 35990), (590, 34526), (610, 33394), (1132, 17995), (1180, 17263), (1220, 16697), (1415, 14396), (2830, 7198), (3599, 5660)]