20969200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7489}}^1$

素因数の和:7514

約数の個数: 60

約数和(自身を含む): 57583120

約数和(自身を除く): 36613920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7489, 14978, 29956, 37445, 52423, 59912, 74890, 104846, 119824, 149780, 187225, 209692, 262115, 299560, 374450, 419384, 524230, 599120, 748900, 838768, 1048460, 1310575, 1497800, 2096920, 2621150, 2995600, 4193840, 5242300, 10484600, 20969200]

約数ペア:

[(1, 20969200), (2, 10484600), (4, 5242300), (5, 4193840), (7, 2995600), (8, 2621150), (10, 2096920), (14, 1497800), (16, 1310575), (20, 1048460), (25, 838768), (28, 748900), (35, 599120), (40, 524230), (50, 419384), (56, 374450), (70, 299560), (80, 262115), (100, 209692), (112, 187225), (140, 149780), (175, 119824), (200, 104846), (280, 74890), (350, 59912), (400, 52423), (560, 37445), (700, 29956), (1400, 14978), (2800, 7489)]