20211761488

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{34141489}}^1$

素因数の和:34141534

約数の個数: 20

約数和(自身を含む): 40218675220

約数和(自身を除く): 20006913732

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 34141489, 68282978, 136565956, 273131912, 546263824, 1263235093, 2526470186, 5052940372, 10105880744, 20211761488]

約数ペア:

[(1, 20211761488), (2, 10105880744), (4, 5052940372), (8, 2526470186), (16, 1263235093), (37, 546263824), (74, 273131912), (148, 136565956), (296, 68282978), (592, 34141489)]