20659576

素因数分解:

$2^3\times 7^3\times {\mathrm{7529}}^1$

素因数の和:7556

約数の個数: 32

約数和(自身を含む): 45180000

約数和(自身を除く): 24520424

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7529, 15058, 30116, 52703, 60232, 105406, 210812, 368921, 421624, 737842, 1475684, 2582447, 2951368, 5164894, 10329788, 20659576]

約数ペア:

[(1, 20659576), (2, 10329788), (4, 5164894), (7, 2951368), (8, 2582447), (14, 1475684), (28, 737842), (49, 421624), (56, 368921), (98, 210812), (196, 105406), (343, 60232), (392, 52703), (686, 30116), (1372, 15058), (2744, 7529)]