20638344

素因数分解:

$2^3\times 3^1\times {\mathrm{181}}^1\times {\mathrm{4751}}^1$

素因数の和:4941

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 31253496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 181, 362, 543, 724, 1086, 1448, 2172, 4344, 4751, 9502, 14253, 19004, 28506, 38008, 57012, 114024, 859931, 1719862, 2579793, 3439724, 5159586, 6879448, 10319172, 20638344]

約数ペア:

[(1, 20638344), (2, 10319172), (3, 6879448), (4, 5159586), (6, 3439724), (8, 2579793), (12, 1719862), (24, 859931), (181, 114024), (362, 57012), (543, 38008), (724, 28506), (1086, 19004), (1448, 14253), (2172, 9502), (4344, 4751)]