20174896

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2953}}^1$

素因数の和:3029

約数の個数: 40

約数和(自身を含む): 45420704

約数和(自身を除く): 25245808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 2953, 3416, 5906, 6832, 11812, 20671, 23624, 41342, 47248, 82684, 165368, 180133, 330736, 360266, 720532, 1260931, 1441064, 2521862, 2882128, 5043724, 10087448, 20174896]

約数ペア:

[(1, 20174896), (2, 10087448), (4, 5043724), (7, 2882128), (8, 2521862), (14, 1441064), (16, 1260931), (28, 720532), (56, 360266), (61, 330736), (112, 180133), (122, 165368), (244, 82684), (427, 47248), (488, 41342), (854, 23624), (976, 20671), (1708, 11812), (2953, 6832), (3416, 5906)]