20779794

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54973}}^1$

素因数の和:54991

約数の個数: 32

約数和(自身を含む): 52775040

約数和(自身を除く): 31995246

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54973, 109946, 164919, 329838, 384811, 494757, 769622, 989514, 1154433, 1484271, 2308866, 2968542, 3463299, 6926598, 10389897, 20779794]

約数ペア:

[(1, 20779794), (2, 10389897), (3, 6926598), (6, 3463299), (7, 2968542), (9, 2308866), (14, 1484271), (18, 1154433), (21, 989514), (27, 769622), (42, 494757), (54, 384811), (63, 329838), (126, 164919), (189, 109946), (378, 54973)]