20184162565

素因数分解:

$5^1\times 7^4\times {\mathrm{157}}^1\times {\mathrm{10709}}^1$

素因数の和:10899

約数の個数: 40

約数和(自身を含む): 28438777080

約数和(自身を除く): 8254614515

約数列:

[1, 5, 7, 35, 49, 157, 245, 343, 785, 1099, 1715, 2401, 5495, 7693, 10709, 12005, 38465, 53545, 53851, 74963, 269255, 374815, 376957, 524741, 1681313, 1884785, 2623705, 3673187, 8406565, 11769191, 18365935, 25712309, 58845955, 82384337, 128561545, 411921685, 576690359, 2883451795, 4036832513, 20184162565]

約数ペア:

[(1, 20184162565), (5, 4036832513), (7, 2883451795), (35, 576690359), (49, 411921685), (157, 128561545), (245, 82384337), (343, 58845955), (785, 25712309), (1099, 18365935), (1715, 11769191), (2401, 8406565), (5495, 3673187), (7693, 2623705), (10709, 1884785), (12005, 1681313), (38465, 524741), (53545, 376957), (53851, 374815), (74963, 269255)]