20569620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2617}}^1$

素因数の和:2760

約数の個数: 48

約数和(自身を含む): 58056768

約数和(自身を除く): 37487148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2617, 2620, 3930, 5234, 7851, 7860, 10468, 13085, 15702, 26170, 31404, 39255, 52340, 78510, 157020, 342827, 685654, 1028481, 1371308, 1714135, 2056962, 3428270, 4113924, 5142405, 6856540, 10284810, 20569620]

約数ペア:

[(1, 20569620), (2, 10284810), (3, 6856540), (4, 5142405), (5, 4113924), (6, 3428270), (10, 2056962), (12, 1714135), (15, 1371308), (20, 1028481), (30, 685654), (60, 342827), (131, 157020), (262, 78510), (393, 52340), (524, 39255), (655, 31404), (786, 26170), (1310, 15702), (1572, 13085), (1965, 10468), (2617, 7860), (2620, 7851), (3930, 5234)]