20178142504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4512107}}^1$

素因数の和:4512169

約数の個数: 32

約数和(自身を含む): 41691877920

約数和(自身を除く): 21513735416

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4512107, 9024214, 18048428, 36096856, 58657391, 117314782, 194020601, 234629564, 388041202, 469259128, 776082404, 1552164808, 2522267813, 5044535626, 10089071252, 20178142504]

約数ペア:

[(1, 20178142504), (2, 10089071252), (4, 5044535626), (8, 2522267813), (13, 1552164808), (26, 776082404), (43, 469259128), (52, 388041202), (86, 234629564), (104, 194020601), (172, 117314782), (344, 58657391), (559, 36096856), (1118, 18048428), (2236, 9024214), (4472, 4512107)]