20127870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:806

約数の個数: 96

約数和(自身を含む): 61281792

約数和(自身を除く): 41153922

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 43, 45, 63, 70, 86, 90, 105, 126, 129, 210, 215, 258, 301, 315, 387, 430, 602, 630, 645, 743, 774, 903, 1290, 1486, 1505, 1806, 1935, 2229, 2709, 3010, 3715, 3870, 4458, 4515, 5201, 5418, 6687, 7430, 9030, 10402, 11145, 13374, 13545, 15603, 22290, 26005, 27090, 31206, 31949, 33435, 46809, 52010, 63898, 66870, 78015, 93618, 95847, 156030, 159745, 191694, 223643, 234045, 287541, 319490, 447286, 468090, 479235, 575082, 670929, 958470, 1118215, 1341858, 1437705, 2012787, 2236430, 2875410, 3354645, 4025574, 6709290, 10063935, 20127870]

約数ペア:

[(1, 20127870), (2, 10063935), (3, 6709290), (5, 4025574), (6, 3354645), (7, 2875410), (9, 2236430), (10, 2012787), (14, 1437705), (15, 1341858), (18, 1118215), (21, 958470), (30, 670929), (35, 575082), (42, 479235), (43, 468090), (45, 447286), (63, 319490), (70, 287541), (86, 234045), (90, 223643), (105, 191694), (126, 159745), (129, 156030), (210, 95847), (215, 93618), (258, 78015), (301, 66870), (315, 63898), (387, 52010), (430, 46809), (602, 33435), (630, 31949), (645, 31206), (743, 27090), (774, 26005), (903, 22290), (1290, 15603), (1486, 13545), (1505, 13374), (1806, 11145), (1935, 10402), (2229, 9030), (2709, 7430), (3010, 6687), (3715, 5418), (3870, 5201), (4458, 4515)]