20313531

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4673}}^1$

素因数の和:4712

約数の個数: 32

約数和(自身を含む): 35896320

約数和(自身を除く): 15582789

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4673, 14019, 32711, 42057, 98133, 107479, 126171, 294399, 322437, 752353, 883197, 967311, 2257059, 2901933, 6771177, 20313531]

約数ペア:

[(1, 20313531), (3, 6771177), (7, 2901933), (9, 2257059), (21, 967311), (23, 883197), (27, 752353), (63, 322437), (69, 294399), (161, 126171), (189, 107479), (207, 98133), (483, 42057), (621, 32711), (1449, 14019), (4347, 4673)]