20382117

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2221}}^1$

素因数の和:2273

約数の個数: 32

約数和(自身を含む): 34129920

約数和(自身を除く): 13747803

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2221, 3059, 6663, 9177, 15547, 42199, 46641, 51083, 126597, 153249, 295393, 357581, 886179, 970577, 1072743, 2911731, 6794039, 20382117]

約数ペア:

[(1, 20382117), (3, 6794039), (7, 2911731), (19, 1072743), (21, 970577), (23, 886179), (57, 357581), (69, 295393), (133, 153249), (161, 126597), (399, 51083), (437, 46641), (483, 42199), (1311, 15547), (2221, 9177), (3059, 6663)]