20173872688

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{541}}^1\times {\mathrm{5261}}^1$

素因数の和:6253

約数の個数: 40

約数和(自身を含む): 39254983056

約数和(自身を除く): 19081110368

約数列:

[1, 2, 4, 8, 16, 443, 541, 886, 1082, 1772, 2164, 3544, 4328, 5261, 7088, 8656, 10522, 21044, 42088, 84176, 239663, 479326, 958652, 1917304, 2330623, 2846201, 3834608, 4661246, 5692402, 9322492, 11384804, 18644984, 22769608, 37289968, 45539216, 1260867043, 2521734086, 5043468172, 10086936344, 20173872688]

約数ペア:

[(1, 20173872688), (2, 10086936344), (4, 5043468172), (8, 2521734086), (16, 1260867043), (443, 45539216), (541, 37289968), (886, 22769608), (1082, 18644984), (1772, 11384804), (2164, 9322492), (3544, 5692402), (4328, 4661246), (5261, 3834608), (7088, 2846201), (8656, 2330623), (10522, 1917304), (21044, 958652), (42088, 479326), (84176, 239663)]