20934400

素因数分解:

$2^8\times 5^2\times {\mathrm{3271}}^1$

素因数の和:3297

約数の個数: 54

約数和(自身を含む): 51831752

約数和(自身を除く): 30897352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 3271, 6400, 6542, 13084, 16355, 26168, 32710, 52336, 65420, 81775, 104672, 130840, 163550, 209344, 261680, 327100, 418688, 523360, 654200, 837376, 1046720, 1308400, 2093440, 2616800, 4186880, 5233600, 10467200, 20934400]

約数ペア:

[(1, 20934400), (2, 10467200), (4, 5233600), (5, 4186880), (8, 2616800), (10, 2093440), (16, 1308400), (20, 1046720), (25, 837376), (32, 654200), (40, 523360), (50, 418688), (64, 327100), (80, 261680), (100, 209344), (128, 163550), (160, 130840), (200, 104672), (256, 81775), (320, 65420), (400, 52336), (640, 32710), (800, 26168), (1280, 16355), (1600, 13084), (3200, 6542), (3271, 6400)]