20118553868

素因数分解:

$2^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{276673}}^1$

素因数の和:276751

約数の個数: 48

約数和(自身を含む): 41833108800

約数和(自身を除く): 21714554932

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 343, 371, 686, 742, 1372, 1484, 2597, 5194, 10388, 18179, 36358, 72716, 276673, 553346, 1106692, 1936711, 3873422, 7746844, 13556977, 14663669, 27113954, 29327338, 54227908, 58654676, 94898839, 102645683, 189797678, 205291366, 379595356, 410582732, 718519781, 1437039562, 2874079124, 5029638467, 10059276934, 20118553868]

約数ペア:

[(1, 20118553868), (2, 10059276934), (4, 5029638467), (7, 2874079124), (14, 1437039562), (28, 718519781), (49, 410582732), (53, 379595356), (98, 205291366), (106, 189797678), (196, 102645683), (212, 94898839), (343, 58654676), (371, 54227908), (686, 29327338), (742, 27113954), (1372, 14663669), (1484, 13556977), (2597, 7746844), (5194, 3873422), (10388, 1936711), (18179, 1106692), (36358, 553346), (72716, 276673)]