20574351

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4733}}^1$

素因数の和:4772

約数の個数: 32

約数和(自身を含む): 36357120

約数和(自身を除く): 15782769

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4733, 14199, 33131, 42597, 99393, 108859, 127791, 298179, 326577, 762013, 894537, 979731, 2286039, 2939193, 6858117, 20574351]

約数ペア:

[(1, 20574351), (3, 6858117), (7, 2939193), (9, 2286039), (21, 979731), (23, 894537), (27, 762013), (63, 326577), (69, 298179), (161, 127791), (189, 108859), (207, 99393), (483, 42597), (621, 33131), (1449, 14199), (4347, 4733)]