20177887770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1252507}}^1$

素因数の和:1252699

約数の個数: 48

約数和(自身を含む): 52755636960

約数和(自身を除く): 32577749190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 179, 358, 537, 895, 1074, 1611, 1790, 2685, 3222, 5370, 8055, 16110, 1252507, 2505014, 3757521, 6262535, 7515042, 11272563, 12525070, 18787605, 22545126, 37575210, 56362815, 112725630, 224198753, 448397506, 672596259, 1120993765, 1345192518, 2017788777, 2241987530, 3362981295, 4035577554, 6725962590, 10088943885, 20177887770]

約数ペア:

[(1, 20177887770), (2, 10088943885), (3, 6725962590), (5, 4035577554), (6, 3362981295), (9, 2241987530), (10, 2017788777), (15, 1345192518), (18, 1120993765), (30, 672596259), (45, 448397506), (90, 224198753), (179, 112725630), (358, 56362815), (537, 37575210), (895, 22545126), (1074, 18787605), (1611, 12525070), (1790, 11272563), (2685, 7515042), (3222, 6262535), (5370, 3757521), (8055, 2505014), (16110, 1252507)]