20605886

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 36986880

約数和(自身を除く): 16380994

約数列:

[1, 2, 7, 14, 31, 62, 79, 158, 217, 434, 553, 601, 1106, 1202, 2449, 4207, 4898, 8414, 17143, 18631, 34286, 37262, 47479, 94958, 130417, 260834, 332353, 664706, 1471849, 2943698, 10302943, 20605886]

約数ペア:

[(1, 20605886), (2, 10302943), (7, 2943698), (14, 1471849), (31, 664706), (62, 332353), (79, 260834), (158, 130417), (217, 94958), (434, 47479), (553, 37262), (601, 34286), (1106, 18631), (1202, 17143), (2449, 8414), (4207, 4898)]