20258277

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 30387840

約数和(自身を除く): 10129563

約数列:

[1, 3, 13, 37, 39, 101, 111, 139, 303, 417, 481, 1313, 1443, 1807, 3737, 3939, 5143, 5421, 11211, 14039, 15429, 42117, 48581, 66859, 145743, 182507, 200577, 519443, 547521, 1558329, 6752759, 20258277]

約数ペア:

[(1, 20258277), (3, 6752759), (13, 1558329), (37, 547521), (39, 519443), (101, 200577), (111, 182507), (139, 145743), (303, 66859), (417, 48581), (481, 42117), (1313, 15429), (1443, 14039), (1807, 11211), (3737, 5421), (3939, 5143)]