20527000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1579}}^1$

素因数の和:1613

約数の個数: 64

約数和(自身を含む): 51760800

約数和(自身を除く): 31233800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1579, 1625, 2600, 3158, 3250, 6316, 6500, 7895, 12632, 13000, 15790, 20527, 31580, 39475, 41054, 63160, 78950, 82108, 102635, 157900, 164216, 197375, 205270, 315800, 394750, 410540, 513175, 789500, 821080, 1026350, 1579000, 2052700, 2565875, 4105400, 5131750, 10263500, 20527000]

約数ペア:

[(1, 20527000), (2, 10263500), (4, 5131750), (5, 4105400), (8, 2565875), (10, 2052700), (13, 1579000), (20, 1026350), (25, 821080), (26, 789500), (40, 513175), (50, 410540), (52, 394750), (65, 315800), (100, 205270), (104, 197375), (125, 164216), (130, 157900), (200, 102635), (250, 82108), (260, 78950), (325, 63160), (500, 41054), (520, 39475), (650, 31580), (1000, 20527), (1300, 15790), (1579, 13000), (1625, 12632), (2600, 7895), (3158, 6500), (3250, 6316)]