20214880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18049}}^1$

素因数の和:18071

約数の個数: 48

約数和(自身を含む): 54583200

約数和(自身を除く): 34368320

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, 18049, 36098, 72196, 90245, 126343, 144392, 180490, 252686, 288784, 360980, 505372, 577568, 631715, 721960, 1010744, 1263430, 1443920, 2021488, 2526860, 2887840, 4042976, 5053720, 10107440, 20214880]

約数ペア:

[(1, 20214880), (2, 10107440), (4, 5053720), (5, 4042976), (7, 2887840), (8, 2526860), (10, 2021488), (14, 1443920), (16, 1263430), (20, 1010744), (28, 721960), (32, 631715), (35, 577568), (40, 505372), (56, 360980), (70, 288784), (80, 252686), (112, 180490), (140, 144392), (160, 126343), (224, 90245), (280, 72196), (560, 36098), (1120, 18049)]