20676425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 33426432

約数和(自身を除く): 12750007

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 175, 253, 275, 385, 467, 575, 805, 1265, 1771, 1925, 2335, 3269, 4025, 5137, 6325, 8855, 10741, 11675, 16345, 25685, 35959, 44275, 53705, 75187, 81725, 118151, 128425, 179795, 268525, 375935, 590755, 827057, 898975, 1879675, 2953775, 4135285, 20676425]

約数ペア:

[(1, 20676425), (5, 4135285), (7, 2953775), (11, 1879675), (23, 898975), (25, 827057), (35, 590755), (55, 375935), (77, 268525), (115, 179795), (161, 128425), (175, 118151), (253, 81725), (275, 75187), (385, 53705), (467, 44275), (575, 35959), (805, 25685), (1265, 16345), (1771, 11675), (1925, 10741), (2335, 8855), (3269, 6325), (4025, 5137)]