20589730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 45308160

約数和(自身を除く): 24718430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 113, 133, 137, 190, 226, 266, 274, 565, 665, 685, 791, 959, 1130, 1330, 1370, 1582, 1918, 2147, 2603, 3955, 4294, 4795, 5206, 7910, 9590, 10735, 13015, 15029, 15481, 18221, 21470, 26030, 30058, 30962, 36442, 75145, 77405, 91105, 108367, 150290, 154810, 182210, 216734, 294139, 541835, 588278, 1083670, 1470695, 2058973, 2941390, 4117946, 10294865, 20589730]

約数ペア:

[(1, 20589730), (2, 10294865), (5, 4117946), (7, 2941390), (10, 2058973), (14, 1470695), (19, 1083670), (35, 588278), (38, 541835), (70, 294139), (95, 216734), (113, 182210), (133, 154810), (137, 150290), (190, 108367), (226, 91105), (266, 77405), (274, 75145), (565, 36442), (665, 30962), (685, 30058), (791, 26030), (959, 21470), (1130, 18221), (1330, 15481), (1370, 15029), (1582, 13015), (1918, 10735), (2147, 9590), (2603, 7910), (3955, 5206), (4294, 4795)]