20259680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18089}}^1$

素因数の和:18111

約数の個数: 48

約数和(自身を含む): 54704160

約数和(自身を除く): 34444480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18089, 36178, 72356, 90445, 126623, 144712, 180890, 253246, 289424, 361780, 506492, 578848, 633115, 723560, 1012984, 1266230, 1447120, 2025968, 2532460, 2894240, 4051936, 5064920, 10129840, 20259680]

約数ペア:

[(1, 20259680), (2, 10129840), (4, 5064920), (5, 4051936), (7, 2894240), (8, 2532460), (10, 2025968), (14, 1447120), (16, 1266230), (20, 1012984), (28, 723560), (32, 633115), (35, 578848), (40, 506492), (56, 361780), (70, 289424), (80, 253246), (112, 180890), (140, 144712), (160, 126623), (224, 90445), (280, 72356), (560, 36178), (1120, 18089)]