20208160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18043}}^1$

素因数の和:18065

約数の個数: 48

約数和(自身を含む): 54565056

約数和(自身を除く): 34356896

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, 18043, 36086, 72172, 90215, 126301, 144344, 180430, 252602, 288688, 360860, 505204, 577376, 631505, 721720, 1010408, 1263010, 1443440, 2020816, 2526020, 2886880, 4041632, 5052040, 10104080, 20208160]

約数ペア:

[(1, 20208160), (2, 10104080), (4, 5052040), (5, 4041632), (7, 2886880), (8, 2526020), (10, 2020816), (14, 1443440), (16, 1263010), (20, 1010408), (28, 721720), (32, 631505), (35, 577376), (40, 505204), (56, 360860), (70, 288688), (80, 252602), (112, 180430), (140, 144344), (160, 126301), (224, 90215), (280, 72172), (560, 36086), (1120, 18043)]