20198144

素因数分解:

$2^8\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:580

約数の個数: 36

約数和(自身を含む): 40606104

約数和(自身を除く): 20407960

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 257, 307, 514, 614, 1028, 1228, 2056, 2456, 4112, 4912, 8224, 9824, 16448, 19648, 32896, 39296, 65792, 78592, 78899, 157798, 315596, 631192, 1262384, 2524768, 5049536, 10099072, 20198144]

約数ペア:

[(1, 20198144), (2, 10099072), (4, 5049536), (8, 2524768), (16, 1262384), (32, 631192), (64, 315596), (128, 157798), (256, 78899), (257, 78592), (307, 65792), (514, 39296), (614, 32896), (1028, 19648), (1228, 16448), (2056, 9824), (2456, 8224), (4112, 4912)]