20584480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18379}}^1$

素因数の和:18401

約数の個数: 48

約数和(自身を含む): 55581120

約数和(自身を除く): 34996640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18379, 36758, 73516, 91895, 128653, 147032, 183790, 257306, 294064, 367580, 514612, 588128, 643265, 735160, 1029224, 1286530, 1470320, 2058448, 2573060, 2940640, 4116896, 5146120, 10292240, 20584480]

約数ペア:

[(1, 20584480), (2, 10292240), (4, 5146120), (5, 4116896), (7, 2940640), (8, 2573060), (10, 2058448), (14, 1470320), (16, 1286530), (20, 1029224), (28, 735160), (32, 643265), (35, 588128), (40, 514612), (56, 367580), (70, 294064), (80, 257306), (112, 183790), (140, 147032), (160, 128653), (224, 91895), (280, 73516), (560, 36758), (1120, 18379)]