20042680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1523}}^1$

素因数の和:1588

約数の個数: 64

約数和(自身を含む): 52669440

約数和(自身を除く): 32626760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1523, 1645, 1880, 2632, 3046, 3290, 6092, 6580, 7615, 10661, 12184, 13160, 15230, 21322, 30460, 42644, 53305, 60920, 71581, 85288, 106610, 143162, 213220, 286324, 357905, 426440, 501067, 572648, 715810, 1002134, 1431620, 2004268, 2505335, 2863240, 4008536, 5010670, 10021340, 20042680]

約数ペア:

[(1, 20042680), (2, 10021340), (4, 5010670), (5, 4008536), (7, 2863240), (8, 2505335), (10, 2004268), (14, 1431620), (20, 1002134), (28, 715810), (35, 572648), (40, 501067), (47, 426440), (56, 357905), (70, 286324), (94, 213220), (140, 143162), (188, 106610), (235, 85288), (280, 71581), (329, 60920), (376, 53305), (470, 42644), (658, 30460), (940, 21322), (1316, 15230), (1523, 13160), (1645, 12184), (1880, 10661), (2632, 7615), (3046, 6580), (3290, 6092)]