20122720145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{67021}}^1$

素因数の和:67193

約数の個数: 32

約数和(自身を含む): 27100479744

約数和(自身を除く): 6977759599

約数列:

[1, 5, 11, 53, 55, 103, 265, 515, 583, 1133, 2915, 5459, 5665, 27295, 60049, 67021, 300245, 335105, 737231, 3552113, 3686155, 6903163, 17760565, 34515815, 39073243, 75934793, 195366215, 365867639, 379673965, 1829338195, 4024544029, 20122720145]

約数ペア:

[(1, 20122720145), (5, 4024544029), (11, 1829338195), (53, 379673965), (55, 365867639), (103, 195366215), (265, 75934793), (515, 39073243), (583, 34515815), (1133, 17760565), (2915, 6903163), (5459, 3686155), (5665, 3552113), (27295, 737231), (60049, 335105), (67021, 300245)]