20077065

素因数分解:

$3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 36459720

約数和(自身を除く): 16382655

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 267, 405, 445, 557, 801, 1335, 1671, 2403, 2785, 4005, 5013, 7209, 8355, 12015, 15039, 25065, 36045, 45117, 49573, 75195, 148719, 225585, 247865, 446157, 743595, 1338471, 2230785, 4015413, 6692355, 20077065]

約数ペア:

[(1, 20077065), (3, 6692355), (5, 4015413), (9, 2230785), (15, 1338471), (27, 743595), (45, 446157), (81, 247865), (89, 225585), (135, 148719), (267, 75195), (405, 49573), (445, 45117), (557, 36045), (801, 25065), (1335, 15039), (1671, 12015), (2403, 8355), (2785, 7209), (4005, 5013)]