20174609

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 5952751

約数列:

[1, 7, 13, 47, 53, 89, 91, 329, 371, 611, 623, 689, 1157, 2491, 4183, 4277, 4717, 4823, 8099, 17437, 29281, 32383, 33019, 54379, 61321, 221699, 226681, 380653, 429247, 1551893, 2882087, 20174609]

約数ペア:

[(1, 20174609), (7, 2882087), (13, 1551893), (47, 429247), (53, 380653), (89, 226681), (91, 221699), (329, 61321), (371, 54379), (611, 33019), (623, 32383), (689, 29281), (1157, 17437), (2491, 8099), (4183, 4823), (4277, 4717)]