20723710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6299}}^1$

素因数の和:6360

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22821890

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6299, 12598, 31495, 44093, 62990, 88186, 220465, 296053, 440930, 592106, 1480265, 2072371, 2960530, 4144742, 10361855, 20723710]

約数ペア:

[(1, 20723710), (2, 10361855), (5, 4144742), (7, 2960530), (10, 2072371), (14, 1480265), (35, 592106), (47, 440930), (70, 296053), (94, 220465), (235, 88186), (329, 62990), (470, 44093), (658, 31495), (1645, 12598), (3290, 6299)]