20724039

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2333}}^1$

素因数の和:2396

約数の個数: 32

約数和(自身を含む): 35850240

約数和(自身を除く): 15126201

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2333, 2961, 6999, 8883, 16331, 20997, 48993, 62991, 109651, 146979, 328953, 440937, 767557, 986859, 2302671, 2960577, 6908013, 20724039]

約数ペア:

[(1, 20724039), (3, 6908013), (7, 2960577), (9, 2302671), (21, 986859), (27, 767557), (47, 440937), (63, 328953), (141, 146979), (189, 109651), (329, 62991), (423, 48993), (987, 20997), (1269, 16331), (2333, 8883), (2961, 6999)]