20265806

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 34995456

約数和(自身を除く): 14729650

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 331, 506, 662, 1331, 2662, 2783, 3641, 5566, 7282, 7613, 15226, 30613, 40051, 61226, 80102, 83743, 167486, 440561, 881122, 921173, 1842346, 10132903, 20265806]

約数ペア:

[(1, 20265806), (2, 10132903), (11, 1842346), (22, 921173), (23, 881122), (46, 440561), (121, 167486), (242, 83743), (253, 80102), (331, 61226), (506, 40051), (662, 30613), (1331, 15226), (2662, 7613), (2783, 7282), (3641, 5566)]