20187306032

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{1303}}^1\times {\mathrm{2311}}^1$

素因数の和:4041

約数の個数: 40

約数和(自身を含む): 39253320960

約数和(自身を除く): 19066014928

約数列:

[1, 2, 4, 8, 16, 419, 838, 1303, 1676, 2311, 2606, 3352, 4622, 5212, 6704, 9244, 10424, 18488, 20848, 36976, 545957, 968309, 1091914, 1936618, 2183828, 3011233, 3873236, 4367656, 6022466, 7746472, 8735312, 12044932, 15492944, 24089864, 48179728, 1261706627, 2523413254, 5046826508, 10093653016, 20187306032]

約数ペア:

[(1, 20187306032), (2, 10093653016), (4, 5046826508), (8, 2523413254), (16, 1261706627), (419, 48179728), (838, 24089864), (1303, 15492944), (1676, 12044932), (2311, 8735312), (2606, 7746472), (3352, 6022466), (4622, 4367656), (5212, 3873236), (6704, 3011233), (9244, 2183828), (10424, 1936618), (18488, 1091914), (20848, 968309), (36976, 545957)]