20565070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{883}}^1$

素因数の和:1044

約数の個数: 32

約数和(自身を含む): 39525408

約数和(自身を除く): 18960338

約数列:

[1, 2, 5, 10, 17, 34, 85, 137, 170, 274, 685, 883, 1370, 1766, 2329, 4415, 4658, 8830, 11645, 15011, 23290, 30022, 75055, 120971, 150110, 241942, 604855, 1209710, 2056507, 4113014, 10282535, 20565070]

約数ペア:

[(1, 20565070), (2, 10282535), (5, 4113014), (10, 2056507), (17, 1209710), (34, 604855), (85, 241942), (137, 150110), (170, 120971), (274, 75055), (685, 30022), (883, 23290), (1370, 15011), (1766, 11645), (2329, 8830), (4415, 4658)]