20474970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2113}}^1$

素因数の和:2159

約数の個数: 64

約数和(自身を含む): 54794880

約数和(自身を除く): 34319910

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 95, 102, 114, 170, 190, 255, 285, 323, 510, 570, 646, 969, 1615, 1938, 2113, 3230, 4226, 4845, 6339, 9690, 10565, 12678, 21130, 31695, 35921, 40147, 63390, 71842, 80294, 107763, 120441, 179605, 200735, 215526, 240882, 359210, 401470, 538815, 602205, 682499, 1077630, 1204410, 1364998, 2047497, 3412495, 4094994, 6824990, 10237485, 20474970]

約数ペア:

[(1, 20474970), (2, 10237485), (3, 6824990), (5, 4094994), (6, 3412495), (10, 2047497), (15, 1364998), (17, 1204410), (19, 1077630), (30, 682499), (34, 602205), (38, 538815), (51, 401470), (57, 359210), (85, 240882), (95, 215526), (102, 200735), (114, 179605), (170, 120441), (190, 107763), (255, 80294), (285, 71842), (323, 63390), (510, 40147), (570, 35921), (646, 31695), (969, 21130), (1615, 12678), (1938, 10565), (2113, 9690), (3230, 6339), (4226, 4845)]