20347518247

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1\times {\mathrm{2579}}^1$

素因数の和:3175

約数の個数: 32

約数和(自身を含む): 24723417600

約数和(自身を除く): 4375899353

約数列:

[1, 7, 19, 133, 137, 433, 959, 2579, 2603, 3031, 8227, 18053, 18221, 49001, 57589, 59321, 343007, 353323, 415247, 1116707, 1127099, 2473261, 6713137, 7816949, 7889693, 21217433, 46991959, 148522031, 152988859, 1070922013, 2906788321, 20347518247]

約数ペア:

[(1, 20347518247), (7, 2906788321), (19, 1070922013), (133, 152988859), (137, 148522031), (433, 46991959), (959, 21217433), (2579, 7889693), (2603, 7816949), (3031, 6713137), (8227, 2473261), (18053, 1127099), (18221, 1116707), (49001, 415247), (57589, 353323), (59321, 343007)]