20732635

素因数分解:

$5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:201

約数の個数: 40

約数和(自身を含む): 31864176

約数和(自身を除く): 11131541

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 157, 245, 343, 385, 539, 785, 1099, 1715, 1727, 2401, 2695, 3773, 5495, 7693, 8635, 12005, 12089, 18865, 26411, 38465, 53851, 60445, 84623, 132055, 269255, 376957, 423115, 592361, 1884785, 2961805, 4146527, 20732635]

約数ペア:

[(1, 20732635), (5, 4146527), (7, 2961805), (11, 1884785), (35, 592361), (49, 423115), (55, 376957), (77, 269255), (157, 132055), (245, 84623), (343, 60445), (385, 53851), (539, 38465), (785, 26411), (1099, 18865), (1715, 12089), (1727, 12005), (2401, 8635), (2695, 7693), (3773, 5495)]