20435664

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{9901}}^1$

素因数の和:9955

約数の個数: 40

約数和(自身を含む): 54025312

約数和(自身を除く): 33589648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 9901, 19802, 29703, 39604, 59406, 79208, 118812, 158416, 237624, 425743, 475248, 851486, 1277229, 1702972, 2554458, 3405944, 5108916, 6811888, 10217832, 20435664]

約数ペア:

[(1, 20435664), (2, 10217832), (3, 6811888), (4, 5108916), (6, 3405944), (8, 2554458), (12, 1702972), (16, 1277229), (24, 851486), (43, 475248), (48, 425743), (86, 237624), (129, 158416), (172, 118812), (258, 79208), (344, 59406), (516, 39604), (688, 29703), (1032, 19802), (2064, 9901)]