20986198

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{6827}}^1$

素因数の和:6911

約数の個数: 16

約数和(自身を含む): 33184080

約数和(自身を除く): 12197882

約数列:

[1, 2, 29, 53, 58, 106, 1537, 3074, 6827, 13654, 197983, 361831, 395966, 723662, 10493099, 20986198]

約数ペア:

[(1, 20986198), (2, 10493099), (29, 723662), (53, 395966), (58, 361831), (106, 197983), (1537, 13654), (3074, 6827)]