20963406

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 21804594

約数列:

[1, 2, 3, 6, 131, 149, 179, 262, 298, 358, 393, 447, 537, 786, 894, 1074, 19519, 23449, 26671, 39038, 46898, 53342, 58557, 70347, 80013, 117114, 140694, 160026, 3493901, 6987802, 10481703, 20963406]

約数ペア:

[(1, 20963406), (2, 10481703), (3, 6987802), (6, 3493901), (131, 160026), (149, 140694), (179, 117114), (262, 80013), (298, 70347), (358, 58557), (393, 53342), (447, 46898), (537, 39038), (786, 26671), (894, 23449), (1074, 19519)]