31343620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20353}}^1$

素因数の和:20380

約数の個数: 48

約数和(自身を含む): 82067328

約数和(自身を除く): 50723708

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20353, 40706, 81412, 101765, 142471, 203530, 223883, 284942, 407060, 447766, 569884, 712355, 895532, 1119415, 1424710, 1567181, 2238830, 2849420, 3134362, 4477660, 6268724, 7835905, 15671810, 31343620]

約数ペア:

[(1, 31343620), (2, 15671810), (4, 7835905), (5, 6268724), (7, 4477660), (10, 3134362), (11, 2849420), (14, 2238830), (20, 1567181), (22, 1424710), (28, 1119415), (35, 895532), (44, 712355), (55, 569884), (70, 447766), (77, 407060), (110, 284942), (140, 223883), (154, 203530), (220, 142471), (308, 101765), (385, 81412), (770, 40706), (1540, 20353)]