20375004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{619}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 51524480

約数和(自身を除く): 31149476

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 211, 422, 619, 633, 844, 1238, 1266, 1857, 2476, 2532, 2743, 3714, 5486, 7428, 8047, 8229, 10972, 16094, 16458, 24141, 32188, 32916, 48282, 96564, 130609, 261218, 391827, 522436, 783654, 1567308, 1697917, 3395834, 5093751, 6791668, 10187502, 20375004]

約数ペア:

[(1, 20375004), (2, 10187502), (3, 6791668), (4, 5093751), (6, 3395834), (12, 1697917), (13, 1567308), (26, 783654), (39, 522436), (52, 391827), (78, 261218), (156, 130609), (211, 96564), (422, 48282), (619, 32916), (633, 32188), (844, 24141), (1238, 16458), (1266, 16094), (1857, 10972), (2476, 8229), (2532, 8047), (2743, 7428), (3714, 5486)]