20577726

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{3257}}^1$

素因数の和:3287

約数の個数: 48

約数和(自身を含む): 49808304

約数和(自身を除く): 29230578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3159, 3257, 6318, 6514, 9771, 19542, 29313, 42341, 58626, 84682, 87939, 127023, 175878, 254046, 263817, 381069, 527634, 762138, 791451, 1143207, 1582902, 2286414, 3429621, 6859242, 10288863, 20577726]

約数ペア:

[(1, 20577726), (2, 10288863), (3, 6859242), (6, 3429621), (9, 2286414), (13, 1582902), (18, 1143207), (26, 791451), (27, 762138), (39, 527634), (54, 381069), (78, 263817), (81, 254046), (117, 175878), (162, 127023), (234, 87939), (243, 84682), (351, 58626), (486, 42341), (702, 29313), (1053, 19542), (2106, 9771), (3159, 6514), (3257, 6318)]