20668095

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21871}}^1$

素因数の和:21892

約数の個数: 32

約数和(自身を含む): 41994240

約数和(自身を除く): 21326145

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21871, 65613, 109355, 153097, 196839, 328065, 459291, 590517, 765485, 984195, 1377873, 2296455, 2952585, 4133619, 6889365, 20668095]

約数ペア:

[(1, 20668095), (3, 6889365), (5, 4133619), (7, 2952585), (9, 2296455), (15, 1377873), (21, 984195), (27, 765485), (35, 590517), (45, 459291), (63, 328065), (105, 196839), (135, 153097), (189, 109355), (315, 65613), (945, 21871)]