20531672

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11827}}^1$

素因数の和:11871

約数の個数: 32

約数和(自身を含む): 45419520

約数和(自身を除く): 24887848

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11827, 23654, 47308, 82789, 94616, 165578, 331156, 366637, 662312, 733274, 1466548, 2566459, 2933096, 5132918, 10265836, 20531672]

約数ペア:

[(1, 20531672), (2, 10265836), (4, 5132918), (7, 2933096), (8, 2566459), (14, 1466548), (28, 733274), (31, 662312), (56, 366637), (62, 331156), (124, 165578), (217, 94616), (248, 82789), (434, 47308), (868, 23654), (1736, 11827)]