20751039

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{11471}}^1$

素因数の和:11547

約数の個数: 16

約数和(自身を含む): 31203840

約数和(自身を除く): 10452801

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 11471, 34413, 103239, 309717, 768557, 2305671, 6917013, 20751039]

約数ペア:

[(1, 20751039), (3, 6917013), (9, 2305671), (27, 768557), (67, 309717), (201, 103239), (603, 34413), (1809, 11471)]