20213069860

素因数分解:

$2^2\times 5^1\times {\mathrm{6277}}^1\times {\mathrm{161009}}^1$

素因数の和:167295

約数の個数: 24

約数和(自身を含む): 42454472760

約数和(自身を除く): 22241402900

約数列:

[1, 2, 4, 5, 10, 20, 6277, 12554, 25108, 31385, 62770, 125540, 161009, 322018, 644036, 805045, 1610090, 3220180, 1010653493, 2021306986, 4042613972, 5053267465, 10106534930, 20213069860]

約数ペア:

[(1, 20213069860), (2, 10106534930), (4, 5053267465), (5, 4042613972), (10, 2021306986), (20, 1010653493), (6277, 3220180), (12554, 1610090), (25108, 805045), (31385, 644036), (62770, 322018), (125540, 161009)]