20613404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38747}}^1$

素因数の和:38777

約数の個数: 24

約数和(自身を含む): 43397760

約数和(自身を除く): 22784356

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38747, 77494, 154988, 271229, 542458, 736193, 1084916, 1472386, 2944772, 5153351, 10306702, 20613404]

約数ペア:

[(1, 20613404), (2, 10306702), (4, 5153351), (7, 2944772), (14, 1472386), (19, 1084916), (28, 736193), (38, 542458), (76, 271229), (133, 154988), (266, 77494), (532, 38747)]