20539624

素因数分解:

$2^3\times 7^2\times {\mathrm{151}}^1\times {\mathrm{347}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 45226080

約数和(自身を除く): 24686456

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 151, 196, 302, 347, 392, 604, 694, 1057, 1208, 1388, 2114, 2429, 2776, 4228, 4858, 7399, 8456, 9716, 14798, 17003, 19432, 29596, 34006, 52397, 59192, 68012, 104794, 136024, 209588, 366779, 419176, 733558, 1467116, 2567453, 2934232, 5134906, 10269812, 20539624]

約数ペア:

[(1, 20539624), (2, 10269812), (4, 5134906), (7, 2934232), (8, 2567453), (14, 1467116), (28, 733558), (49, 419176), (56, 366779), (98, 209588), (151, 136024), (196, 104794), (302, 68012), (347, 59192), (392, 52397), (604, 34006), (694, 29596), (1057, 19432), (1208, 17003), (1388, 14798), (2114, 9716), (2429, 8456), (2776, 7399), (4228, 4858)]