20618724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12919}}^1$

素因数の和:12952

約数の個数: 48

約数和(自身を含む): 57881600

約数和(自身を除く): 37262876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 12919, 25838, 38757, 51676, 77514, 90433, 155028, 180866, 245461, 271299, 361732, 490922, 542598, 736383, 981844, 1085196, 1472766, 1718227, 2945532, 3436454, 5154681, 6872908, 10309362, 20618724]

約数ペア:

[(1, 20618724), (2, 10309362), (3, 6872908), (4, 5154681), (6, 3436454), (7, 2945532), (12, 1718227), (14, 1472766), (19, 1085196), (21, 981844), (28, 736383), (38, 542598), (42, 490922), (57, 361732), (76, 271299), (84, 245461), (114, 180866), (133, 155028), (228, 90433), (266, 77514), (399, 51676), (532, 38757), (798, 25838), (1596, 12919)]