20211444008

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{35569}}^1$

素因数の和:35794

約数の個数: 64

約数和(自身を含む): 44220624000

約数和(自身を除く): 24009179992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 139, 146, 278, 292, 511, 556, 584, 973, 1022, 1112, 1946, 2044, 3892, 4088, 7784, 10147, 20294, 35569, 40588, 71029, 71138, 81176, 142058, 142276, 248983, 284116, 284552, 497966, 568232, 995932, 1991864, 2596537, 4944091, 5193074, 9888182, 10386148, 18175759, 19776364, 20772296, 34608637, 36351518, 39552728, 69217274, 72703036, 138434548, 145406072, 276869096, 360918643, 721837286, 1443674572, 2526430501, 2887349144, 5052861002, 10105722004, 20211444008]

約数ペア:

[(1, 20211444008), (2, 10105722004), (4, 5052861002), (7, 2887349144), (8, 2526430501), (14, 1443674572), (28, 721837286), (56, 360918643), (73, 276869096), (139, 145406072), (146, 138434548), (278, 72703036), (292, 69217274), (511, 39552728), (556, 36351518), (584, 34608637), (973, 20772296), (1022, 19776364), (1112, 18175759), (1946, 10386148), (2044, 9888182), (3892, 5193074), (4088, 4944091), (7784, 2596537), (10147, 1991864), (20294, 995932), (35569, 568232), (40588, 497966), (71029, 284552), (71138, 284116), (81176, 248983), (142058, 142276)]