20923455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2239}}^1$

素因数の和:2343

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 17783745

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 2239, 3115, 6717, 9345, 11195, 15673, 33585, 47019, 78365, 199271, 235095, 597813, 996355, 1394897, 2989065, 4184691, 6974485, 20923455]

約数ペア:

[(1, 20923455), (3, 6974485), (5, 4184691), (7, 2989065), (15, 1394897), (21, 996355), (35, 597813), (89, 235095), (105, 199271), (267, 78365), (445, 47019), (623, 33585), (1335, 15673), (1869, 11195), (2239, 9345), (3115, 6717)]