20491158

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1039}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 43430400

約数和(自身を除く): 22939242

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 173, 346, 519, 1038, 1039, 2078, 3117, 3287, 6234, 6574, 9861, 19722, 19741, 39482, 59223, 118446, 179747, 359494, 539241, 1078482, 3415193, 6830386, 10245579, 20491158]

約数ペア:

[(1, 20491158), (2, 10245579), (3, 6830386), (6, 3415193), (19, 1078482), (38, 539241), (57, 359494), (114, 179747), (173, 118446), (346, 59223), (519, 39482), (1038, 19741), (1039, 19722), (2078, 9861), (3117, 6574), (3287, 6234)]