20134345

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 31781376

約数和(自身を除く): 11647031

約数列:

[1, 5, 7, 11, 31, 35, 49, 55, 77, 155, 217, 241, 245, 341, 385, 539, 1085, 1205, 1519, 1687, 1705, 2387, 2651, 2695, 7471, 7595, 8435, 11809, 11935, 13255, 16709, 18557, 37355, 52297, 59045, 82181, 83545, 92785, 129899, 261485, 366079, 410905, 575267, 649495, 1830395, 2876335, 4026869, 20134345]

約数ペア:

[(1, 20134345), (5, 4026869), (7, 2876335), (11, 1830395), (31, 649495), (35, 575267), (49, 410905), (55, 366079), (77, 261485), (155, 129899), (217, 92785), (241, 83545), (245, 82181), (341, 59045), (385, 52297), (539, 37355), (1085, 18557), (1205, 16709), (1519, 13255), (1687, 11935), (1705, 11809), (2387, 8435), (2651, 7595), (2695, 7471)]